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Kertas I

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2009

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.I,{B-,\TAN PEI,AJAR"{N SELANGOR

PROGRANI PENII\iGKATAN PRISTASI SAINS DAN MATEMATIK

2009

KI}TIA

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JANGAN BUKA K RTAS SO,dI-AN INT SE}{II{GGA DIBERITAHU

L Kcr/c.; ini aclaluh tlt am Llv,lhahost.

2. Jevub seJtru{! sodlan.

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SI]LIT45-1t , ' �1 O IJrk C'ipia Jtb:rtan Pehiarun Sclancor 200t1

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Dapatkan skema Jawapan di Laman

-15-l I IS U L I T

IN FOR,VT.ITION F0R CANDtrDATES

L This que.stion popt:r consisls ol 50 questiont.

2. Anster all queslions.

3. Answer euch queslion h': blot:kcning the correct spac:e on lhe dnswer sheel

1. Blocken only one spaceJor e.Lh question.

5. If you wish lo change your ansver, erase the blat:kened mark that you have made.

Then blqcken the space.fbr the new an$l)er.

6. The diagrams in the questions pro ded are not drot'n lo scale unle!s stated'

7. hn may use u non-programmable scientilic calculotor'

lIIAKLU iI,TAT IINTUK CALON

L Kertas soalan ini mengondungi 50 soalan.

2. ,Jatvab selua sodan.

Juweb dengan neitghilaufuin ruangdn lqng bclul pada kertas iawapan-

[!iktttkon iietu n]dngan stthuja bc;gi sclittp st:olan

Sckiran.ya ancla hendak menukarjawapan, padamkan lttnda yang telah dibuot.

Kernudion hitankon jawctpan yarg bant.

Rejch )ltcg n'a siringi sodttn ricLt!' d[iuiis rtngi!;:l skrda kcttuli din;,'ttiaitLtn

lnda dibcnarkan menggunakan kalkrlator sainlifik yottg tidak boleh diprogram

-i.

-5.

5.

7.

pil:t s;bclahSULIT

4 5 1 t / t



S U L I ' I '

2 .

L

3 .

4.

-15.+ L/ I

Which of the toJlowing compounds is an cxample ofa solublc salt?,,1n!.tnt rahetien bcri kul, .yong manakah merupakan gantm terlqnikan?

A Nlagnesium carbonale /,ll.rgnes ium kurlxtnatJ

B Lead(ll) nitrLtlc fPlwnhum(Il) nitrdt/

C Silvcr chlorrdc IArcentum kloridu]

D Barium sufph.rtc [Bariwn sulJat]

Which ofthe tbllowing is a characteristic the parliclcs in an electrolyte?Pernrctlsu yent ,ruru*ah aclaluh siJbt zttrcth-zarah dal.Jm elektrolitl

A An electrolyc consists oflree moving atoms in the aqueous stateElektrolit tertliri claripada otom-atom yang hergerak bebus dalan keodaan akueus

B An electrolltc consists of f ice moving ions in only in the aqueous statcElektrtiit tertliri daripada ion-ion yang bergeruk behas dalam keadaan akueus sahaja

C An electrolle consists offrcc moving ions only in the moltcn statcElektrolil terdiri ddripoclo ion-ion yang bergerak bebas dulam keadoen Ieburan sahaja

D An electrollte consists offrec moving ions in the moltcn and aqueous stateElt:ktrolit tertliri tLtripatla ion-ion bergcrok bcha.s dalam keadaan leburan dan akueus

The plI values ofthrce acid solulions of0.I mol dnr'r are shown in Tablr: INilui ptl tigtr lurutun .Lsid 0.I mol dntt ditunjukkan dalum .Itrdudl I

SolutionlLsru!&ttl

pH valuelnilt;i plll

X1 . 0

Z 5 . 0Table I

Jadttql I

Arrargc lhc lcids according lo asccnil ing crrJci ofthc dcgrcc ol'dissociation.Sustntkun osid-ttsiL! ilu dai6i;t luru!.n ntcnt:;k bertLsctrkan datjah Jtent:traian.

x , Y , zx 7 \ -

z , x , Yv, x, 7,

Which ofthcsc orguic cornpounds Cecolcurises brominc wller?Yong ntnckah .schalion orgtotik bcrikul tncnltaltva ntkcr uir brontin.

R

C

T)

H Ht l

l l - c - c - ! lt lO HII.t

H Ir ! r. l . . . t lf ! - c l t , , ; ,' - J l lt r i H l i t lI I i I i : l i

t i ' c - f : - c - c , t . tt t t :! i : t l : - r

A '

Il t - c . , , tl r l l il r t

l i - C = C - C - l l

It l

fLihat sebelahSULIT

45;11i i



s( ' t , i I

5. The chcmical er;ult ion bclou'shows the reaction between P and Q.i\,r:;rtntuun kinfu cli hax qh meutn jtikkan tindttk holus di unlaru P Llan Q.

P , Q - * s a l t r H ] O + C O 2

tP * Q -' guntn + II;O t C'O\J

Which of the tbilorving pairs could be P and Q?Yung manakith pasungun berikut mungkin P dttn Q?

A Zinc and hydrochloric a,cid [Zink dan a;id hidroklorik]

B Sodium carbonate and sulphuric acid, fNatrium lavbonat dan dsid sul-furikl

C Magnesium carbonate and sodium hyCroxidc 1,L1agn es ium ktrbonat dQn nalrium

hitlroksidal

D Lead(II) oxidc and nitic acid [Plunbum(Il) oksidu dan asid nitrik]

6. Diagram I shows the structural formula of PVC.Rajah I menunjukkanfonru a slruklur bagi PVC.

F I C I I I C I H C I

r l r l l l

4541, ' �1

FIHI I

A I { H

l lH - . C = C - - H

H Cll

t l! i c . r l

C I } I H

r : c . lt lt { H

D

\ ' - ' � l - \- c-c -c-c -c-c --\-nnt t t l

i t

Diagram IRajuh I

What is thc structural forntula of its monomcr?lptrkah fonnub stru!.lur bagi monomern!-a?

C H C l

t lC ] I C : C , I I

I I

I Il

H C t t

7. r\c,idif icd potassium munganate(Vll) is addcd to ethene ir a tcst tubc. What is the rncl;cular

fornula of thc substarcc lbrtncd?I'{c:iium nait1yonat(VII) herasid ditunhahkan kepoda etano.lalan tebuch tahutg ttji. Apckch

fbritxtla nolchtl bdhan t'ong tuho.\il ?

A C:II6

Il cl ltco{)l l

c CrujoI I

D Cr. l t r (ol j ) :

l J i | r . c l - . r - \

5;ULiT.15.1. i/1



4 5 4 ] / I

I) iaeran I shou,s the graplr o l ' tcmp!'rairrre against t ir;rc uhen solid X is ireated.Ilajah ) ntnunjukkan lraf suhu mllavltt mdsa dpdhila ncpejal X dipanashan.

Diagram 2Rajah 2

0 r 2 3 4 5 6 7 8Ti:nc / minuteMasd / minil

Which of the following is true during the fourth minute?Yong ntonctkah adttlah benar pado minit ytug ke empal?

A All thc molcculcs are in random motlon.Senua molekul bergerak se<:ara ruttck.

B All the molecules arc closely packcd and in random motion.Semua molekul tersusun rctTtol dan bergert:k secara rorctk.

C All thc nolcculcs are mo.ring at l ixed positions.Scmua nolekul bergt:rak pada kedudukdn Jang telap.

D Some ofthc molcculcs arc moving at t ixcd positions but some are in random motion.,\ebahagitn molekul bcrgerak parlu kctludukn tetap tetcqi sebahagian bergerak secararovrtk.

9. Which of thc follo'wing is not a propr:rty ol 'nicthanoic acid?I)i ctntara hcrikut yang ntcnokah bukun siftl csid nu:onoik ?

[,ow n.iclting potitt ltaktl labur rc:dthJ

Cr I r,'ur! :ss 1t'iuil f c c: c c: ir t a k b c: rw an t lJ

Il.rrluble in vatct fl'idctk- lcru! ltilon tuJ

Re-acis rvilh a n:.ctrl cllrbonlilg [Bt:rti:tdc\. bulcs cle:tgalt st,ttilu karbonat logam]

10. l l thtnc aird propane are iryiiroclrlon cortpi;t. l ' : i js ir1)m ttc saixe homologous serics.Which statemclrt is true for both etlrr"lc a;rd propane?Elonu Cat propaaq cclulah,schc!icn hitlroktit'llon tlqri si]"1 honolat yang:;:tna.Pt:rnyutortn !ctn,: mctntltuh henar bo3i kedrl-d::r: alc:na dart propa:xt?

A Solublc in tt.rtcr f l.crtit dr otn ci'J

B [.Jndcrgo subslitulior lc:rclicn [i\!':njdlt:;ti titdak balas pcntkr:rgcntien]

C Urilcr;:o atlciifioir rceclion f\!tttjt lni tit:.!.!.i.!r bak;s ltcnzt:blhltrf

I) Iiir..,c tirLr sanc physical prof.rr.ies fii:;t1 :r:.y,ai s i/at.lizik .;an;i so.nt:f

sr . ' t . tT

ll

C

D

e

3 : .t € 8 0

F ;

[Lihat scbclahSULiT

.tri-1 Ir I



SL]T-IT ,+54 ti 1

.

1 2 .

t 3 .

Optical f ibre is a t)?c i)f 'cornposjte matcrials. Which ofthc tbllowing is the usagc ol optical f ibrc?Gentian optik ialah sejt'nis b,rhun ktmposit. Yang manakuh qniartt berikut udttlah kt'gunattngtntian oplik I'

A As a heat insul.rtor 1^lc&rgal pc'nebat habuJ

B To lransmit signals in tclccornmunication fUnluk menghantar isyurat dulam telekomunikasil

C As the intemal surfacc lining o1'lumace lSebagai lapisan dalam relauJ

D As an additive in sl,nthctic polymcrs lSebagai bahan lttnbah tlulum poli er sintetikl

Which ofthe following subtanccs is a rcducing agent ?Antar.t hdhan berikut, ,-ang manakah adalah agen penurundn ?

A Brominc w cr [Air broninJ

B Iron(III) sulphate solution fl.arutan ferum(Ill) sulfatJ

C Potassium iodidc solution 1l-arutun kalium iodidaJ

D Acidified potassiun dichromatc(Vl) solution fZarutqn kaliutn dikromat(Vl) berasidl

Diagram 3 bclow shows thc sct up ofapparatus for a chemical rcaction.llajah 3 mcnunjukkan susunan ratlos bagi satu tindek balas kimio.

Iron stripIKcpingan

Nlagncsium stripKepingan magnesiun

Agar solr:iion I l, anian agar- agarJ

Diagram 3 [Rajoh ]l

Which ol-the following slaterr. ':r ls is truc lbr thc reacticn?/t'!!.ifa pern),oloen hcrikut, ytng mtinakuh benttr mettgLtttti tirulok bolav ittt?

A lrcn is reduccd ftcrri lr t l i lunnlanJ'i l {rirn is rtn rrxirl ising a3,:i 'J [! cr,,,tt rv{t ' i ' th ̂ : ' ' ' t n"'t l ' i !" 'rt

C Nhgncsir:nr lelcas,js cleclron l,l.lagnesium mcnbeba,skalr clcklntnl

D Oxidaiion nur,ber ofrnagncsiurr decr:ascs l,rlonfi or p(ngokri.ladn magnasiuttt berkw cngl

ILiht scbcir:hslrL.! 1'

45,1t / |



St,]I-IT

I;1. Tablc I shrrrvs thc positit,n of two clements,.Jodu,tl I ttt i rrrl ukkun kt iutlukun chn unsur,

1 454t i l

P and Q, in the Peril l ic fable of Ercmenrs.P don Q di dalam t ,fuol Berkulo (Jnsur

Table | [Jaductl 1]

Which of thc following sr.rtcments about clcmsnts p and e is true?Pernytttaen 1.'ong menakuh ontara berikul benar tentang unsur p clan e?A Atom P is smaller than atom Q

Atom P lebih kccil daripada atom Q

B Atom P has a strongcr attraction towards electrons than atom eALon P nempw.tyai tdrihtn terhaddp elektron yang lehih ktrel tlaripada e

C Thc positivc charge in the nuclcus ofatom P is lcss than that in atom eCas po.si/iJ dalum nukleus utom ['kurang daripado yang di dalam atom e

D Abm Q has a highcr tcnclency to rclcase elcctrons than atom pAtom Q lebih cenderung mc!epaskan elektron dtrripada aton I'

15. Diagram 4 shows two bottles of aqucoris solutions.Rajah 4 menunjukkun dua hetol lurutan ckueus.

NrOtl(aq)0 . I rno l dm l

| i i I1(aq)0 . I mo l d r r ' r

Diagian 4

ftiq';ft 41

Which of thc fl l lcrving is t ir iq ftrr blrth solutions?Ya44 n:arutkolt dnlaru blr'ikt!t bcntr ln3i kelta-.fuq li,;,lct;t?

A Botlr aic strorg alkalis lder!::a-,jta ctlcluh ol*.tli lautf

[] tsofh lrlic thc sanre pll t tltt [Kctlul-dua nci:tputty:i n!!t:i y;l! yong sano]

C L' '; lh ric i:(] i iol., i ,..s ! i. ' . ,!t:*,!::,: !,,:!!1.1, citAi, ol, ' j

D Both cen changc blr-lc i i irnu: pepcr to rcdIKedu*dua bolLh neit]lttr!.cr kJ.ttls li!t;tus bi:u l;t mcrahJ

16. Which of thc ibllo{,ing strl icinentil eb{)!l a i,r,cak alkali is tn:e.lPentytttocn yang ntsstckoh attara bct!1.:it llei;cf tellatrg ci!k;;li letnit\t/

A Thcpilr,aiucislcssIitanT INi.lai J,lI kurtrl l dtir ipcdu 7J

ii Do nof ncli ir l l isc aeicl l l t i t i l<,!th tncttrtt"olit;n lsi: l l

C Chargc bluc l it irus p:pcr to rcd [], lcrulrktt kcr;, is l i i i t :t i :; f) i i .u l ie merohf

I) Ioiriz.:s partir l iy in l,vatcr to pro(lurr hy',Jroxii lc to:rs. f,t;/t:t:,. ion.tt,tttra clalatn airnt t,n.qltt t; iL\rtn tn hiLtntir"-iLluf

[Lihat sebelahSUI-iT

45.+1/ l



SUI-IT ;

17. Which of thc following reirctions is a rcdox rcactioll.)Yung manokuh anlttru bt'rikut mempokun tindt* hul,rs r,cloLsl

,1-i.11, l

A Corrosion IKakisanJ

B NcutralizationIPeneutralun]

C Halogenation ft'enghulogenunJ

D Saponification [Saponi/ikttsiJ

18. Which oi'thc fbllowing factors can affcct lhc ratc 01-a rcaction ?Yang manakah antara faktor-.fitkto r berikut .tkdn mempcngaruhi kucLtr suatu tindak balas?

I The tempcrafurc ofthe rcactants lSuhu bahan tindak balasl

II The size of the contzincr [Saiz bekxJ

III The usc ofa catalyst lPenggunaltn nangkinl

IV The numbcr of moles ofrcactants f B ilangan mol bohan tindak balasl

A landI I I I Idan I I I ]

B Iand lY I I danIVJ

C II and llI II dan IIIJ

I) III and lY pII dttn IVJ

1 9 .

2+

t@l [@]I)iagrum 5flajoh 5

Diagran 5 shows thc clcclron arranggmeni ofa ccmpornd lbnaed from two diifercnt elcmeats.Whiqh ofthc lollorving properties is tr.rc of'this compound?Rllh 5 ,nr:u'rj u!,l,.rr stt..,tnan el.'l::lron se!t! \(:beli/rt )'ctng t!'/benb* duripada dtto r!')vt''t\i)1o1,, , l,;i;;.u:. i'.;;,1; ,;,,:;;.; :;if;: l;.'t i,';ti: ctlc,',.:,'; !:.:::,:r :;::i;;,'c ,r th;i:,::;t !,;'tcltti!)

A It hrs a lorv nrcltirg point ftu memptrnl.ci tukat lebw',taug renduh]

l.] If is soluble in orgrnic solv.nts fia boleh nt'lantt dulcn pektntl organi,ttl

C It conducts clcctricity in thc solid staic llt mengkontluki elektr[k tLt]*t kct:elaan pepcjall

l) lt conducts cl.ctiicily in thc rnollcn st-ate [h nterglondtici elek;r'ik tlul,:tnt k:;tdccn leburoir]

lI-i i i;rt sebclairSUI, IT

t itiHfr

4511/1



i t L r l 4541/ I

10. \letals are arranged ar specitic positions in thc clcctrochemical sc es. Which ofthr: foilowingstatcmcnts are lrJe of a mctrl at a highcr position in thc clectiochcmical serics compared to a mctalat a lowcr position ' l

l.ogum-logam disusun mcngikut ke tlutlukun .utng tertentu dolem,siri elektrokimiu. Yang manokahtntur.t kefiv.tlLian beriktlt bandr tentLlttg suoltt logum ydng terletuk puda ketludttktn yang lebihtinggi dalan .;iri t:lekn okiniq berhanding dt'ngun stratu ktgam .yang lebih rendah dctripaclanya ?

I [t is more stablc flu adttluh lehih stdbilJ- It is more clectropositite po adolah lebih clehtropositifl

Il is easier to ionisc Iid adalah lebih senang mengkn]

lt is a stronger reducing agent. [a atlolah dgcn penurundn yang lebih kuat]

I ancl ll I I dun II I

III and 1V I Ill dan I'/J

II, III and IY I II, III tlan IV J

I, II, III and IV lI, II, III dcn II'J

? 1 .

Bromine vapour lu,op brominJ

Gas jar cover lpanutryt kucttJ

Cas jar fhuicz.q g.,,.r/

I)iagr..v:r (t I llojoh (iJ

Diagrair 6 shows thr sct up of the appai:hrs of aa cxperir;:ent. Wl:en tl ie gas jar covcr wrsre moved. it w:rs iourl t l ixl lhe g:s jrr bclo,r r ', 'as fi i l .Jd w;1h t5-c blo'*n broninc gas. \-/hat is theinfercnce of t lr is cxpcriment?Rcjolt 6 nt;tunjuk,*.dn su:;itnln rt:t!t.; ln1;i sualit t'ktptrinc:t. Apahila penutup ktcadifuluurkan, dirlrlpttii bolut5y g'1t.li G:tar.li.t\'!:'hi '!.i,t,l,r ta't l,n>mir yrutg bcrtt:rfie lcr.trg..1 y : kt t : i,":j : r <: r:, : : :: ! : : ! - :' ! :-' : 1: t: t : :. :, : : i t: ;.'

A Broninc gas consis',s rl1-diricrl le molcc'-t lts in rxoiicn.

IGo.; bxtnin tertiiri nttiditl dlsk;'il .tuni b,-rgent,\.]

i i Brominc g.ts n-rovi down Cr.:c to gravitional forcei;.

fGu hrc.tntin ber,qt,rt:k kt' ha,,tth dil,:btbkott ol.h dLr':a lct iken gr41,it\,.1

C l)if iusion has takcn placc irccrusc broiri l ,. l g:is is hcar' icr then arr.

1Rc.;rtyttlt bcr!itku ktrano gtt,.; hrtnti:: /:hih itL'rt.:t ddriparit ud:tra.J

D -l 'hc

l i--rcc of atl.aciion br-twccr blonirc m,,:lcculcs rlcci:escs i ir dii l irsion.

fl)..\'lt !t:,ikr:it anlcnt n;olc,ittrl hroltin ht'r kuratv: drrlcn resc4tt'.t I

[1,ihat scbelahSIJLIT

I I

I t l

IV

B

C

D

4541t1



st i i't- t 0 45.11, I

22. Which l irctor uil l not affect the rate ofreaction bct*'cen dilutc hydrochJoric acid and zinc'lFdklor.r'dfig nLtndk tiluk mt'npenganthi kulur tindak bulas anluru asid hidroklortk cuir d.nlogant:ink.'

A 'fhe

mass ofzinc used plsinr zinklang digunakanJ

B The concentration ofhydrochloric acid used lKepekutan asid \idroklorik y-ang digunttkan f

C The volume ofhyrlrochloric acid used. llsipadu asid hidrokbrik vang digunctknl

D The addition ofcopper (ll) sulphate solution /Penambehan lannan kuprum (lI1 sulJatl

23. Which ofthc fbllowing propertics can bs predictcd bascd on thr: position ofthe elemcnt inthe Periodic Tablc of Elements lYang mctnaknh antttra sifat berikut boleh cliramalkan berdasarkan kedudukdn unsur dalam JaduulBerkala Unsur?

A The number ofncutrons in an atom ofthe elerna:r! [Bilangan neutron dalam sudtu atom

Thc number ot isotopes the clcment has [Bilangan i.tobp yL g dipurryai oleh un.sur itu]

The charge ofthe ion formcd by the clcmcnt 1C.u kn yang terbenluk oleh un.sur ilul

The relativc atomic mass ofthe element [,Iisim alom rc!eltfunsur itu|

24. Which of thc lollowing statements is true for an ionic conpound with an ionio fornrula of XYz '/

lvlanukuh pernfoluan berikttt benar lenla g s.ttu sebdlian ion dcngan Jrt'rnula ion XYz ?

A An atom ofX has 2 valcnce electrons while an atom ofY has 7 valence electrons.

[!)tu ulom X mempunyai 2 elektron vclen; nenekala salu alom Y mcmpunl'ai 7 eieLlrontclt'rt:; I

O c rtonl of Y donates tlvo electrlDs to an atom ofX.

[Sutu cktn Y mendcrma dtta e!ekl;'on kepada satu alom Xl

X is f iom Grcup l4 and Y is l icin Cror.:p l6 ofthr Periodic Table cfelcmcnts.

1X cdcilllr duri Ktotpulan l4 dan Y aCcloh tlari Ktonpuldt 16 ddant.Jllttut:l Rcrktltt un.rttrl

O e atoni of-Y slrares t$o cl:cirons rviih one aiom ofX.

ISdtt rtlottt Y berkotgsi duu elc/tin.n dengun n'atu ctton ]'l

B

C

t )

I t

ILihat scbelahSUI-I'I

4 i 4 t / l



S U L r f i l

25. Diarram 7 shows thc sct-up ofthe apparatus ofa chemical cr:i l .Ru.l,ih 7 nt:nu|ukkLln sus nun rdLlds.\ebudh s.l kiniLl

Si\vcr ratl fllod argcntun l

S i l vc r n i t ra te so lu t ion

[-oru tun .1r ge n I um n i ! rLr I f

.15.11i I

C oppcr rod Rrod kupruml

Copper(lI) sulphate solutionI Larut un kup nt m( I I) su I fat]

Dragram 7 [Rajah 7J

Which of the following observations is true in the chemical cell?Antara penterhatictn bt:rikut yang manekah bcnar dulam sel kimia itu?

A Thc copper rod bccomes thicker lRorl tirprntl nlenjddi lebih tebell

B Thc silvcr rod becomes thinner[Rod argentum menjatli lehih nipis/

C Silver nitrate solLrtion bccomcs bluc.lZaruten argentum nitrat menjadi birul

D The blue intensity ofcoppcr(II) sulphatc solu'rion incrcases.

[keamatan u'ern.t bint lurutan kuprun(II) .sulfat bertambah]

26. Dilgram 8 shows the set-up ofthe apparatus to collcct thc gascous products formed in thcelectrolysis of an aqucous solulion ofcompound X using inert r: lcctrodcs.Rtjah 8 nrnunjukkan su.sunt:n rudcs unlt* mengttipkan fusil gas yang terbenhtk dolan elektrolisrssttttlu larutan okueus scbaticin X dengun nenggun&an clektrod lengai.

Corrpound X /&:6ntiaa {

Di.igrnm 8 1,iir4cl ,9/

\ ' 'Vhich of'thc lollorving compourrls can bc cornpound X?Yoi;g matnkah dntdt'd bariliut iiliu6.liin ialolt ttehttian X?

A 2.0 nit; l t l trr 'cot,,.;ct '{ i i t chiori, l.: soli; i ir;r l lrntttn ltq',rut,,:(t!) k!,:t;,-!::2 11 ,r"1 ,1t,.t:,,

B 2.0 n;cl dm-r sodiun clt loriCc solulion ftctntul ratriutt kktricla ).0 mol dmrl

Cl 2.0 rnol dm I coppcr(l l) srlphatc sclu'r. ion flari ion kupnrm(l!) sullat 2.0 ttol Cmrl

D 2.0 nol dm r silvcl nitralc solution /anr,'a :a:[:ci. itun itt 'ot 2.0 tutl dntf

ILihat sebclahSULIT

L

1541t I



S UI , I l ' I -'�) '1.-\-11 I

27. Diaglam () shorvs thc sct-up ol-the lpparalLrs in a chemical ccll and an electroll.t ic ccll.Rc, th 9 menunjukkortsu.sunttn rt;dd:; daliJil sutu t?l kimid dtu sel elt'ktrolitik..

Nlagnesium rodRod mugne.sium

Copper rodRod kupntm

l\{ileinesiunr sLLIphatcsoluLlonLuruktn magnesium.eu Utrt Copper(l l) sulphatc solution

Lar-utan kuprum(ll) sulJdt

Diagram 9[Rajah 9]

Which ofthc following is thc expected obscrvation at electrode R?l'dtg menakeh antara berikut adalah pencrhatian Iang dijangka pada elektrod R?

A Efectrodc R becomcs thinner lElektrod R menjadi lebih nipisJ

Il Electrorle R becomcs thicker [Elektrod R menjddi lehih tebal]

C A colourlcss ges is liberlled [Satu gas tqnpa warna terbebas.J

I) A colourlcss gas is relelsed [Ga,s tak bentarna terhebas.]

2ii. Diagrarn I0 shows thc sct-up ofthc apparatus ofa chcmical cell. The voltrnctcr reading is LIV.Rajah l0 mcnunju,lkon susunan radas ,solu sel kitnid. BaL.ean voltmeter idleh L I V.

Ccpper ror.l I Rotl kuprutnJTinc ro<! lR, :inkJ Porous pot fPasa harliang/

Coppcr(l l) sulphatc solrti i : irLurutan futprwn(l I1 sulfc:t

Zinc sLriphate solutionLaru!utt zink suifut

Diagran 10 [Rqah | 0]

Which of the follorins wil i increase tho voltmctcr rcading ?Ytnq D1o'1a!l:a:h ar:a!'ar b:r:la::! a:!aa::::,tc:::::::!::l: b::cct:i.:,,cl!;;t:ttr'l

A Rcplacc the zinc rod with iron rodGantkui rod zink dengan rod irozr

lLcplace the coppcr rod with sih,cr rodGunliktn rod kuprun tterrgan rod orgenluu

Incrcasc the conccrtration of thc two solutionsivle namhth kun k ep ekt a n kt:dtta-cl u o I u ru I ttn

Rcplacc thc porous pot by a salt bridge(ian;i*,t p,trtr h,rl i Irt.: Ll. t,trtr riI i ,tII grrLrpt

D

[Lihat scbclahSULIT

4-r4 l/ I



ISULI l ' l-l .15.11/ I

29 ' i-he

ciectron arrangemenr ot' ion Q- is 2.8. I u.8. Thc proton number elcment w is 17. which of thetbllowing statcmemts is lruslsusunun elckrntn ion Q- i.l'h 2.3. I E.E. dan rutmbor pr.rt)n unsur If iutah I7- yang manakah.itt t.tru p e rn.r.t t d.rn be'r i kut odo la h be nu r l

.,\ Elemcnt W is more electroncgative than clencnt eUnsur W lebih elektronegatif daripadd unsur Q

B lrlcmcnt W has a higher boil ing point than clcmcnt eTqkot clidih unsur ll lebih tinggi d.tripa.lu unsur Q

C Solutions ofQ and W in tetrachloromcthanc can conduct elcctricityLartudfi Q .ldn W duktm letr.tkloromet.vta boleh mengkonduksi elektrik.

D Eicmcnt W is denser than elcment QUnsur Il lebih tumpat daripatlo unsur Q

30. A reaction is represented by thc fbllowing equalion :Suan tindakbalas diw,cftili oleh persamoatl berikut::

s I Q _ ) R + T

This rcaction can ocour through two difterenl ; ,. lhs, a and b as shown in the Diagram I I below.Titrtlak balas ini clapat berlaku melalui dua ltilu,; r berloinan, a dun b dalam Rolah I t.

Fln(rrgy

lTendgaJ

I)i;tgran l l [Raj uh l l]

\1'bich of rhc i-ulior,virg is t;:r.-:?Antqt"q b.'ikut .)dng nantiAtih benor?

A Tlre activation encrgy fc,r thc rcaction with path b is (y - x) k..l mol I

Tenaga pcngaktifrn bctgi tindait btlLtl; dengan laluon b iolah (1, x) kl mo[1

lJ A cirtalyst is Lrscd in thc reacticl vrith peth bTintldk helt.$ tlcngo;t Iulutn b ncnggi;nnkuti sttotu nungkin

C I hc hcat ofrcactirrn foi react:on \i i th lr3tlr b is ,(y - x) kJ ncl I

Ildt:u tinrldk belds hcigi ttntlok hu!d.s ttctgan lultien h itlah -(v - x) kl nrotl

D S and (l r i. i th highcr concclrlraljonr! arc uscrl by thc reaction with path b.Tinduk bt:las dtt:i1ut la!w:n b ttt,r4;l1toroknn kept:kutan S dutt e Wl!: tinggi.

[-ihat scbelahSULiT

{ 5 .11 '1



s i ,T_t f

A 1-'rt-,prnollJ,ro7,molJ

[] butanol fbutanol]

C 2-mcthylbut:tn-1-ol [2,metilbutan- l -olJ

l) 2-mcthylpropan,l -ol 12-rnetilpropcn- I -oll

t . t 45-1l r '1

d22

fLihat sebelahSULiT

31. ' l 'hc

nrclt ing point and boil ing pojnt ofclcment Il is -22 ')C and 176')C respcctivcll,. Which ofthe

lbilorvi;ru diap:arns shows the corrcct arrangcment ofp.-ticles ofelemcnt R at -56 0C ?Tckut lt'hur tltu rdkdt didih bagi unsur R iqldh -22,)C clun 276')C mas ingrna.t itlg. Anrara raj.1hhcrikttt .yrtrtg rnunakdh menuni u kkan .susunan :arah yong betul bogi unsur R padu _56t)C ,l

D

C

. ) oo32. Diagram l2 shorvs thc structurc ofan alkcnc.

Ilojah I2 mcnunjukkan struktur bagi suatu alken,t

I I I I

II C] C::C -H

t lH l

t I C ] H

l l

Diagranr l2 [Rujah 12]

' l Ljs alkenc is prcpared by dchyCiat!ng an alcohc;l tuing exccss ofhot concentrated sulphuric acicl.

Wirich alcohol is uscd to prodLrcc this alkenc?'llkena ini disctlictktn dtl'ipaCa pendchidratun sualu alkthol dengcn ntenggunakan asid sul.furikp/:kdt ).tittg p(mds. A!kohol yang manaLah digunakn untuk mengha.silfutn elkene ini?

1 5 t \ / )



sL ; t . i t 'i ) +-i.11/ I

rri

-l-]. 5 cm ..f0

5 rr. l dm '

hytlrochloric acid wrs addecl t.50 crnr ol 0.r m.l t lm , s.cliumthros.rphatc sorution The time ior surphur to precipitate was takcn. lhc crperinent *.as repcatedusitrg -50 cnrr of sodium thiosulphatr solution nfOift r"nt .o,.,"", ltr"t lonr.\1'hich ofrhc graphs bclciw shows the rclationship t,.,*".nit," lon."ntration ofsotl iunrthiosulpharc solutron and the timc fbr sulphur to precipitate.?5 tm' asiJ hitrntklorik 0.5 mor trm

.t ,",* aj,".'t"ii"rZpuro 50 .m, runtlu, n.ttrium tiosurfat0.J mot dm i . ,Nlasa vang tliambit unruk sutJur rerm"rirfJi,tit. tr"p"ii;;;;;,';;g:;fi:1g:,

mengguru*un 50 tryt 1arr,lr,n nutrium tiosul.f.tt yurg h"rloino, k"p"totor.Gra/.t'ung munukuh nenunjukknn hrburgai uituri kepekatan rurutun n.trum tiosu/fat dcnganmttsa vang tliumbil untuk sulfur lermendak?

Concentrat ion ofNa1S1O1 (nrol dur I

)

NazSzOj (mol dn i.1

B

Conccntrat ion ofNa.S1O, (rnol dm r

)KzpekutonNazS;O1 ftn>l dn t

)

Timc (s)lvlasa (s)

CConcentralion ofNa1S2O3 (mol dnr r)

K<pekatanN.tzS)Ot (mol dn J

.)

D

Conccntration ofNa:S:Or (rnol drn I

)KepckatanNa.w52O.1 (mol lm 3

)

Timc (s),ltusa (s)

Time (s)twr:;a (t)

3.1- T*o thernochenricl cquatiols f 'cr tu.o rtruti l l isaij ,n rcnctions arc showr bclow.Dua tint!,*halas ternnkimia untuk d;w /itCckbr;!ts pe;t"rt,:uln,, ,rarrtrl., ""pcrti di hav,ah.

I )

Time (s)ivlasa (s)

The valucs lirr thc hcat o f ncutr?ris.tion ofthesc trvo rc.ciions are dirltrent. what is the reason?Nilui htb. pcneu//.oldn u,1tuk .Jud titutt:kbqlcs ini b,t ielti.-i)rii,,i'r"t,"trrrrtl l thlnoic acid lcss soluble in wrtcr thn hydrochloric acidA.tid etanoik ktrang !.lrul dj.!dldm air..laripatla oskl hldrcklorikSoditm cthal)oatc salt produccd aiisorb(_,d hc:1t lrom thc reactionGdrelt n.ilri1u./t ..li:ltiout ,ru1g tcrlt.t:;i! ut,nvt:t.cj; hr;bct tkiriylurlu ,,rrr"O Uuru,Fihanoic acid prodr.:ccs n,.oie hydiogcn icrns lhan lryrirochlcric acii l,,1.ti.l duroik kuNho,sil!,ar kurar;4 ktn hidrogen daril:rtr/,t e,,nl hj,'!fttl:lorikIlert is absorbcd to ionise cthrroic itcicj rnolcculcs dtiring ihc rclctjonTe:tcgo ltcbu cli|;t:t Ltp udi:tl: ;|t,nliit;1.,!;

,no!!iiul)nellkti u-"icl eit.troik dttlt:n tinclok l:ttl,,s ilu.

iLihat sebclahSULTf

t

li!,ra: i r ii.-'t -- l..irCl I H-0iir0l I i l t l rLOOi t + CiirCtOOi,la +flzO

r\! l = -57 k.I mol r

Ail = -55 kJ mol I

4511/ l



f

st.rl-t rt o -i5.1I ,

35 The reac t ion bc t$een n i t rosen and orvgc , r i s shown in thc cquat ion bc iow. wh ich o l thc l i r l l r - . r r i rgstatemcnts ls tmc o1'the rcaclion_,TinLltrkholot unlara nilrr,gtn don ok.tigcn atL ah scperti per.sumuon :li battth. Ant(trLt Ai.n\.tr!,titiF t t t ^ t t \ u t : u t , u l J k , r l t l - , t , . 1 r '

N:(g) * 2O1 (g) --------+2N(l: (g) A I I : + 6 6 k J m o l I

I The reaction rclcases hcarTinclak balas itu m.ntht,hasktrn hobtt

II 3l kJ ofhcat is absorberi from thc fbrmation of I mole ofnitrogen dioxidc.-13 lcl tcnaga diserap daripatla penhentukan I mt nitrogen clbksida..

III Thc activation encrgy ofthe reaction is 66 k_l mol ITenoga pengaktfttn tinduk balas ini adeLlh 66 kJ mol l

IV Tlrc cncrgy c'nient ofnitrogcn rl ioxidc gas is highcr than thc sum of tr.rc encrgy contcnt ofnitrogen gls and oxygcn gas.Juml'h kandungi.tn ten.tge nitft)gen .rioksitl.t adqrah rebih tinggi daripatrajumrah kanthrng.rttendgq ga'it nilrogen tlon gas ok.sigen

A I

B I I and IV

C l l , I I I and lV

D I , l l , I I I and IV

36. Whjch of thc lollowing is true for onc rnolc of t jre fullowing substances,/[Avogadro constant : 6.02 x ltJ' ' mc,l r, rclrt ive rrcmic mais : L._l2lYang monakah ontura berikttl adaloh bcn.tr bagi satu mol bc tan zf Penaldr Awtgadr-o : 6.02 x I0:r molt,.1isim atom reletiJ';C:I)J

A I mole of o:iygcn contains 6.02 x I 0?r atorlsI nol stlfiir nengctntlungi 6.02 .r l0)t tttoms

Il I molc ofrnagncsium chloridc contains as many ions as the nurnbcr ofalorns in l2 g oi.carbon- I2I rtol nu.qncsiun kloritkt ucngundungi ion sebanyak bilatgatt tttom dulam l2 gkarh:;t l?

cl I mole ofnit.ogen dioxitic contains thc samc numbcr ofn:olecules as the number ofalor.s rnl2 g o fcarbon- l2I mol nitrogen dioksido mengantlLngi bilcngan mo!ekul yang sctna ttct.tgan biltngattoton tlalqn I 2g karbon I2

D I mole ofsilvcr ct_.ntairrs as rneny atonN as thc numbcr ofatoi]] ls in 32 g ofoxygcn grsI Dnl er1entui mcngantfungi hilartgdn ut()m y.tng sattu tlengtttt 32 g las oksij"n

-

! . ihat scbciehST ILI I

I

4_s.11/ |



s t . I_ r i t 7 4 5 4 1 / t

i7. ' fhc

proton Dumbcr ol 'clcncnts L and M are [l and l2 rcspcctively. Lr ions and M]-ions,",tomhor protctn un.sur ,,. dun ,)I ialtth 3 danl 2 mtLsing mttsirtg. lon [,:

- dan ion ,lf'

A contain the sarne numbcr ofprotons [mengdndLtngi bilangdn proton 1,uttg,samd]

B contain the same number ofelectrons lararga ndwrgi bilangan elektron yang sdmul

C-- contain tlrs same number of neutrons 1n crgandungi bilangan neulron ,-ang samql

D have the same chcmical properties [mempuwai siJat kimio yang sama]

38.'Ihc chemical equalion below sltows thc combustjon ofethane in excess oxygen.Persamaan kimia tii bowah menunjukkan tinddk bul.rs pembakaran etana dolam oksigen ycngberlebihan.

a C:ll6 +b O: -'+ c CO: + d H:O

What are the values ofa, b, c and d?Apaluh nilai bagi ct, b, t: and d?

39. The reaction botween lead(Il) nitrate and pot:ssiun iodidc is rcprcsented by the eqlIaaion belo\r.Tinduk bola,s urttora pluntbun(II) nitt-al dtn kalium i,y:litla div,akili oleh per,samaen di bdweh

Pb(NOr), (aq) I 2Kl (aq) - ' Pblz (s) t 2KNO, (aq)

25.0 cmr of 1 .0 mol dm r potass iu:n ioCidc solut ion is mixed wi th 25.0 cmr of l .0moldm'r lead( I l )nitrare scrlution. What is lhe rnaxin.rr:r rrnss of lcad(Il) iodide producccl in this reaction?I Il,:!]]]]]]t:..,r-. ai0l]lic nra..r:r :l : 177, Pi.. . 2t':7]2).0.rrt 1.0 tni drti lantlan it..tii.n iodiJu ,iitutttpuriiiiti tlengan 25.0 cm3 1.0 mol dmt latatanplwnlnon(|{.) nitrur. tlpakh jisi;r nt:k:siiitrn phurt!:unt(!l) ioJkkr ;iitng rcrhasil tlalan tindak balasini?I Jisim arom rcloti/ ; I = | 27, Ph - 207J

A . 1 . 1 8 g

l l 5 .76 g

C 8. . )5 g

D 1 1 . 5 2 g

ILihat scbelahSULIT

a b c d

1 2 3

B 2 7 4 6

cl 2 3

2 7 l 3

454 L I



S i - r L I ; I 8

40. Wirst is thc ty,ne ol'chrrl)ical bortd in Lhc coll lpound fi irmcd betpccn Lhc odium and fluorine'l

,lpakuh jt:ni.; ikalon kittticr tan1 wttj rul tli dulum bahan .vong terhasil duriputla natrium danfuorin?

A Singlc colelcnt bond /katon kovalen tntggolJ

Il t)ouble co\alent bond flkutun kovalen ganda dual

C Triple covalcnt bond lltdtun kowtlt:n ganclo ligaJ

D bnic bond ll luttur ionl

4 I . L)iagrarn 13 shorvs a compound formed by lhc clements P and Q.Rajuh | 3 merunjukkan sehatian ,dnE: dibenluk oleh uuur P dan Q

i@l t@l [@]Diagram l3

Rajah I j

Which ofthc lbllowing stalcnents are truc about the compound?

I'crn!. .tLul munttkah yang benar tent.tng sebaliln ini?

I Thc clectron arrangcment ofatorn Q is 2.8.2

Susuno eltktron cttom P ialalt 2.8.2

Il Thc corlrpound formed is a covalcnt conlpound,\ehution tt'rbentuk idlah seb4tian kovulen

Il l Alorn Q donatcs two ofits valcnce electrons to atoms P

llon Q ncndcrma dua eleklrc>n vctlensnya kepada abm-ak)n P

lY Eacll atoin ofP rcccives one elcctror ftom atom QSalicl otom P met:erimu stilLt eleldron .l.rri atom Q

A I i n d I l

t l I , I I I a rd IV

( l i . t l l a r d I V

i i i , i i , I i l a r rd iV

,12. I 'hc lorrlula ofthe carbonrti ion is COr2 anil that of the nitralc io:r is NO3 .

If thc fbrnlrla ol thc sulphate sah of X is XCO3. What is thc fbrnula of thc nitratc of X?

Fitttutia bcigi ion kcrfutnttt ialuh COt: dttn ion nitrat idlul! NO ,t . Jika.formula hogi gttrcrt sulfcl

X ialoh X(.'O t apakah.f ontwlu untuk nitrdl X?

A Xli{lr

t i _xrN()r

C X(ir 'Or):

D X{Nf \ ) ,

[Lihat scbcl:irSULIT

'15-11, '1

\-

4 5 4 1 / l



SUI- IT l 9 ,+5.+ i /'1

' l3 Diagrlnr r '+ shol's thc resurts ofa serics .ft l ts that arc car-ricd out by a stuccnl on scrution y.

fjr!.)tl,!rr.,r"'r"rj,,kkan kepLrtusan siitu.tiri ujidn .,-dng .liialunkan olelt .teorang oalujar terhadap

Ba(ll; (aq)

whrte precipitatemendukun putih

IlNaoH (aq)

Jblue prccipitatemenclokan binr

white precipihlcmandakon pu/ih

), (aq)

Ditgram J4[Rc7ah I t]

Which of thc following could be solution y?Antara yang berikut, yang monakah mttngkin Iorutttny

A Coppcr(Il) cltloride [ku p rum (l !) kloricla]

B Zinc chloride fzink kloridaJ

C Coppcr(lt) svlphate [kupnrm(tl) sul./hr]

D Magnesium sLrlphate [magne.rium .sulfrrlJ

4'1' Diagi-am I5 shows the oonversion ofcrrbon compound A througrr trvo di*crent process.Rajalt l5 nenunjuklLun pentkaron scltuti.tn ,:.arb;n Dlclalui ,lua'pro.ses 1,ung berl4inon.

Proccss I- - 9

I)ilgr'.:m l 5!?r/r"/r 15l

Which oiric ibiiou.ing is conporircl A, process t anil II ?|'ang nunokah .ultdra berikut nrttpc!;cl s,r:,\Ltliua I, prose.r I dun ll,)

Cornpound ASchqlion I

Pri;cess I

n"flil',caGnr:lu7:t!!!tlDchydratioir

l:t.!:l:: !:tir:tOxiihiic:r

i:!orutOr{idatiortILng/.!1it191t

Proccss ll

ilt'tr.r.tr r.rrc"Pcrdchidrataa

0thanoic aci,ll:ltonoi,\. r:"-id

B EtharolLtenol

0x ida t ion

|erysL'4,t!!![]stcri i icrironPc/!gc.y::ran

C Elhcn.L lena

D l : thanolE tlno l

I)cbydrationPeulLhi..:!:qton

fl.ihat sebelahSi,rAIT

L

'1511/ |



SUI- I ' i t0 4 5 4 1 i I

incrcasc thc pH value of45. Which o f the fb l low ing subs lances . thcn addcd lo aqueous ammonia vv i l l

thc alkalinc solution'lAntoru btthun berikttl, Iung nonakalt aptthilu tlltambtthkun ktpr a lLttttlLttt unttlonid akan

meningkatkun nilai pLl /urutun beralktli tt'rsehut!

A Watcr 1Ai4

B Zitc oxitlc [Zink oksitloJ

C Potassium oxrde IKdliLut olci.laJ

D Hydrogcn chlori,le gas [Gus hidrogen kktridaJ

46. Diagram l6 shows a label on a bottlc oftomato sauce.Ra.iah l6 menunjLtkkan label pada satu bobl sos lomdto.

Dirwgrurl 16 [Rujah I (tJ

Tbe tomato sauce can last longer due to thc presence of X. What is X?

Sos ton.rlo tahan lemd karand kahudiran X. lpakuh X?

A Azo conpowd[Sabatian o:o]

B Bcnzoic acid [Asid benzoik]

C Acacia gunt lGant akasiuJ

D 1,,{onosodium glr,n3nale firlt)nonalrium glultntatJ

47. Dialgrarn l7 shorvs thc set up ofthc apparatus used 10 study the reaction betweeu a ntetrl oxidc and( i

i { ) n .

l?-ctjcth l7 t;rnyyjukl;an susutan radu:s yong tligrmckon uniuk nt'ngkaji tindak bakts antura su.�i;t

r:lis!da Ioga;n clengsn katbort.

-..-Nlctal oxide and carbonok:;ilo l,;gam tlan larbott

l ime watcr

Diagram l7 lRqah 171

The lirnc walcr t i irns cloutly \\ 'hat ntctal oxide is uscd'l

,1ir kcpur nanjodi kenth. Apokt:h oksidtt logttm digunttkun?

A }rfagnesiurn oxide [tr!tgnt::;iun ok.ticlo]

l] C-alcium ',txtdc f Kulsiuin c.'ksidal

C Coppc(ll) oxide lKtprtin(ll) oksidul

D Alun;;ri,,r:n oxiCt [ l lunlnittrn oksirful

.,1 -i ..,i I / I [.i ir:t sebelaSSUL1 I

Ingredients [RamuanJ :

tomato, sugar, X [tomato, gula, X ]vinegar, sl)t, starch, I cuka, garam, kanjiJaspxrtemc IaspartLrmJ



S L L ; i 2 l .15.1L'1

'l l l Diagrlnr l8 sho*s thc cncrgv rcrcl diagram ofa ciispraceme.t rcactlon bet\\,.ccn magnesium andr ron( I l ) su lphatc so lu t ion .Ilajah | 8 menunjukk,n gamhctrojah .rir'] rendgd hdgi .tqtu tind.k baros pet1r'c.\dran untaranlogne,\iun dun Iurutort besi/III sullttt.

Fnergv [TcnugaJ

Diagram I8 [Rajah l8J

what is th-e .ch.nge in tenrperaturo whcn e;<ccss magnesium powdcr is addcd to r00 cmr of 0.25 moldm'' iron(lI) sulpate solution?

[Spccific heat capaoity ofa solution - 4.2 J g r,'ClApakah penbuhon suhu apabi/a.seIbuk nagnesitim 1,ang berlcbifun tlilttmbt tkan kepatla 700 crn3larutan besi(ll) sul;/itt tlengan kepekaran 0.j5 nol d)tt?"[]rhratqn hab.t tctltu ldrutdn.= 4.2.1 gt ,'CJ

A 6 ' C

B 2.4 "C:

c 7 . 2 ' C

D 1 2 . 0 , c

49. Rcaction betwccn Fe2' ions and MnOf ions t.s reprcsenlcci by thc lollowing cquation.Tintlak bulo:; ortartt i.rt f-ct

' ilun i.n l,htC) 1 ,irrtkili oleh persar!rk!t1 l)erikltt.

5Fc" (aq) + l \hOr ' (aq) r i i i { , (aq) _ . , , 5Fcr , (aq) r N{nr ' (aq) + 4 i i :0 ( i )

Which of thc fbllowing inibrmrtion is tmg?iin,;l 'ui i. iL1fd 111G,:{iut;u! berii iul utit: i ,,1 1.,,,t,," t

I Thc oxidation nuntber ofnrnn3-alcsc chrngcs fiom +7 jlto +2Nontbor pang<;k.;iduetl l!.rng;:n beruLah tlt:ri I 7 kc1;cdd + 2

ll Thc oxidation numbcr ofhydrogen charges l irrrit f l to 0Nonthr;r pt'ngoksitlqtn hi.t!;.ostti i.,,..rubuh do:i t I lie 0

ll l Thc grccn colour of F c2' solutior t l;n lo bron.nLtrntldt1 hiiLlt kn l:e1' henrbah l;e lt,irt:.:i

lV l ron( l l ) i cn i s reducedlon fe nt m ( ! [) tt luh d i :!t t ru n,kur:

A I and IT

l l I and l i l

C 1 I , I l l e r t l lV

t ) I , l l , I I I and lV4 5 4 1 / 1

ILi]rrt scbelahSULIT

Nfg(s ) + Fr-Sor(rq)

AH: -12I kJ rnol ' l

MgSOr(aq) + I.-e(s)



s t : l I f 1- : ) ,+5'+ l, 1

50. Diagram l0 sho*s the set up ol rn erpcrimenl 1o studv ihc ct-fcct ofdiffercnt metals on the rustingo l i ro l t .llaluh )0 nrcnunjukksn .susunan rtrdqs bagi ektperin,'n untuk mentkaji kesan logum tang ber!1inanttrhult4t pengorotan besi

NaCil(aq) NaCl (aq)

Sr

Bctkcr | [Bikur lJ Beakcr

[Bikar II]

NJCI (rq)NaCl (aq)

Bcakcr III lBikar III l Bea\cr lY [Biknr I YJ

l)iagrant 20 [Raiah 20]

In r.vhich bcakcr thc iron plate will rust the most aftcr 2 dals?Bilatr nrxnkuh nenunjukkan kepingun bt:si paling bt,rltarat selepas 2 hari?

A Bcaker I lBikar Il

Il Ucakcr II /Bitar III

Cl Bcrkcr tll [Bikar IIIJ

I) Ilc.l.ker lY !.Bikar IVJ

END ()t- QU I|STt{.}),{ P,\PERK E R'fA S S O.,1 L.4 N TA I,!, 1 T

7.tl

r l i h , , r r e ! - . 1 .h

SiJLIT

E

,15.1 ti I



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