Download - Question P1

Transcript
Page 1: Question P1

CONFIDENTIAL 4541/1

JABATAN PELAJARAN TERENGGANU

Ujian Pengesanan TOV SPM2007

CHEMISTRY

Paper 1

One hour and fifteen minutes

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas ini mengandungi 50 soalan.2. Jawab semua soalan.3. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan.4. Bagi setiap soalan, hitamkan satu ruangan sahaja.5. Sekiranya anda hendak menukar jawapan, padamkan tanda yang telah dibuat. Kemudian hitamkan

jawapan yang baru.6. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram.

Kertas soalan ini mengandungi 34 halaman bercetak

4541/1 SULIT

4541/1KimiaKertas 1Januari20071¼ Jam

Page 2: Question P1

CONFIDENTIAL 4541/1

Question 1 to Question 50, are followed by f our options A, B, C and D. Choose the best option for each question and blacken the corresponding space on the objective answer sheet.

1 The final step in scientific method is

A collecting data B writing reportC doing observationD forming hyphothesis

2 Element J has 14 neutron and 13 proton. Which of the following diagram is the electron arrangement of element J?.

3 Molecular formula of propene is C3H6. What is the empirical formula of propene?

A CHB CH2

C (CH2)6

D (CH2)n

4541/1TOV 2007 SULIT

2

A

D

C

B

Page 3: Question P1

C OO

CONFIDENTIAL 4541/1

4 Argon atom has an electron arrangement of 2.8.8 Which of the following is true for argon?

A Exist as diatomic atom B Has high melting point C Is in group 18 in the Periodic Table of ElementsD Reacts with oxygen to form covalent compound

5 The diagram shows the electron arrangement of a molecule of carbon dioxide, CO2

Which of the following statements is true about the molecule?

A The compound has high melting pointB One carbon atom sharing four pairs of electronC The bonding between molecules CO2 is covalent bondingD Each of oxygen atom receives two electrons to form an oxide ion

6 The diagram shows the set up of the apparatus of an experiment to investigate the electrical conductivity of several compounds.

The bulb will light up if compound Z is

A etanoic acid glacial B molten potassium iodide C magnesium oxide powderD solid aluminium chloride

7 Which of the following acid has the lowest quantity of hydrogen ion, H+ in 1.0 mol of solution?

A Nitric acid B Ethanoic acidC Sulphuric acid D Hydrochloric acid

4541/1TOV 2007 SULIT

3

carbon rods

Compound Z

bulb

Page 4: Question P1

CONFIDENTIAL 4541/1

8 Which of the following is true about alloy and its major component?

Alloy Major componentA Duralumin MagnesiumB Steel TinC Bronze CopperD Pewter Zinc

9 The equation shows the reaction between magnesium metal with nitric acid.

Which of the following varible is suitable to determine rate of the reaction above?

A Increasing the mass of magnesium B Increasing the volume of hydrogen gasC Increasing the concentration of nitric acidD Decreasing the concentration of magnesium nitrate

10 The figure shows the structural formula of ethene molecule.

Which of the following is true about ethene?

A Soluble in waterB Synthetic polymerC Molecular formula is CH2

D Has only carbon and hydrogen elements

11 The table shows the proton number of elements P, Q and R.

Which of the following is true about the above elements?

4541/1TOV 2007 SULIT

Element Proton NumberP 11Q 17R 18

4

H H | |

C = C | |

H H

Mg(p) + 2HNO3(aq) Mg(NO3 )2(aq) + H2(g)

Page 5: Question P1

CONFIDENTIAL 4541/1

A Element P and element R exist as diatomic molecule.B Element P is more electronegative than element Q.C Element P is more reactive than element R when it reacts with water.D Element P and element Q react to form a compound which has high

melting point.

12 Which of the following chemical formulae is true for iron(III) sulphate?

A FeSO4

B Fe3SO4

C Fe(SO4)3

D Fe2(SO4)3

13 The table shows the elements in period 3 of the Periodic Table of Elements.

Elements Na Mg Al Si P S Cl Ar

Which of the following properties increase in value when moving across the period from Na to Ar?

A Number of shell which contains electrons B Metallic property C Electronegativity D Atomic radius

14 Which of the following is true about covalent compound?

A Conduct electricity in molten or aqueous state B Low melting point C Soluble in water D Not volatile

15 The digram shows the set up of the apparatus of elecrolysis of 0.05 mol dm-3 nictric acid.

4541/1TOV 2007 SULIT

5

0.05 mol dm-3 nitric acid

X Y

Carbonelectrode

A

Page 6: Question P1

CONFIDENTIAL 4541/1

What are the products at electrode X and electrode Y?

X YA Hydogen Nitrogen dioxideB Hydrogen OxygenC Oxygen HydrogenD Nitrogen dioxide Oxygen

16 Solution R has pH 2. Which of the following solutions can neutralize solution R?

A Sulphuric acid B Magnesium sulphate C Copper(II) chloride D Tin(II) oxide

17 Which of the following is true about manufactured substance in industry and its uses?

Manufactured Substance in Industry UsesA Polythene LensesB Lead glass MirrorC Photochromic glass Optical lensesD Plastic reinforced with glass Test tube

18 Which of the following factors can increase the quantity of reactant particles per unit volume?

A Adding the suitable catalyst B Increasing the temperature of reactant C Increasing the total surface area of reactant D Increasing the concentration of reactant

19 The diagram shows the set-up of the apparatus of chemical cell.

Which of the following statements is true about the cell?

I Iodide ion is oxidised by donating electron to form iodineII Sulphuric acid allows the flow of electrons through its solutionIII Bromine water receives electron and is an oxidising agentIV The colour of solution around S rod turns from colourless to brown

4541/1TOV 2007 SULIT

6

Bromine water Sodium iodide solution

Carbon S rod Carbon T rod

Sulphuric acid

Page 7: Question P1

CONFIDENTIAL 4541/1

A I and III onlyB II and IV onlyC I, III and IV onlyD I, II, III and IV

20 Particle W with 12 protons, 10 electrons, and 12 neutrons has

I nucleon number 24 II proton number 10III electron arrangement 2.8 IV ionic formula W2+

A II dan IV onlyB I, III dan IV onlyC II, III dan IV onlyD I, II, III dan IV

21 Which of the following is a balanced equations?

A HCl + Ag → AgCl + H2

B MgCO3 + H2SO4 → MgSO4 + H2O + CO2

C Zn + CuNO3 → Cu + ZnNO3

D 2K + H2O → 2KOH + H2

22 The digram shows electron arrangement of ion G which formed from atom G.

Ion G

Which of the following statements is true about atom G?

A Has electron arrangement 2.8.8.1B Occupies the third period of the Periodic Table of ElementsC Belongs to group 13 of the Periodic Table of ElementsD Reacts with chlorine to form covalent compound

4541/1TOV 2007 SULIT

7

+

Page 8: Question P1

CONFIDENTIAL 4541/1

23 The table shows electron arrangements of elements R, S, T dan U. Which of the following pair of elements can form ionic compound?

A R dan SB S dan UC T dan UD R dan T

24 The diagram shows the set-up of the apparatus of electrolysis process.

The half equation at the anode is

A 4OH-(aq) → 2H2O(ℓ) + O2(g) + 4eB Ag(s) → Ag+(aq) + eC 2H+(aq) + 2e → H2(g) D Ag+(aq) + e → Ag(s)

25 Which of the following chemical substances react with hydrochloric acid to produce sodium chloride and water only?

A Sodium hydroxide B Sodium sulphate C Lead(II) chloride D Zinc carbonate

4541/1TOV 2007 SULIT

Element R S T U

Electron arrangement 2.4 2.8 2.8.7 2.8.8.2

8

silver chloride solution

Silver rod

A

Page 9: Question P1

CONFIDENTIAL 4541/1

26 The following diagram is a structural formula of a polymer.

CH3 H

C – C

H C2H5

Which of the following is the monomer fot the above polimer.

H H H H

A H– C– C = C – C – H

H H

H H H H H

B H– C – C = C –C – C– H

H H H

H H H H H

C H– C – C– C – C = C– H

H H H

H H H H H

D H– C = C– C – C –C– H

H H H

27 Which of the following statements is true when the temperature applied is increased?

A The rate of reaction decreases.B The activation energy of the chemical reaction decreases.C The number of reactant particles that posseses energy equivalent to or more than the

activation energy increases.D All collisions of reactant particles are effective collisions.

4541/1TOV 2007 SULIT

9

n

Page 10: Question P1

CONFIDENTIAL 4541/1

28 What is the purpose of adding ascorbic acid to food?

A to neutralise foodB to improve its tasteC to prevent oxidationD to inhibit the growth of microorganisms

29 Ir is the symbol for the element Iridium.

An atom of Iridium has …………

A 77 neutronsB 115 protonsC relative atomic mass is 269D the total number of proton and neutron is 192

30 The electron arrangement of an atom for the element X is 2.4. X reacts with chlorine, Cl2.Which is the correct chemical formula for the compound formed?

A XClB XCl4

C XCl2

D X4Cl

31 The table shows the proton number of elements W, X dan Y

Element Proton NumberW 3X 11Y 19

Which of the following is the arrangement in order of increasing reactivity when these elements react with water?

A W, X, YB Y, X, WC Y, W, XD X, Y, W

4541/1TOV 2007 SULIT

10

192 Ir 77

Page 11: Question P1

CONFIDENTIAL 4541/1

32 The symbol of an atom for element Z is shown below.

Atom Z forms covalent bond with atoms from different elements to achieve the octet electron arrangement. The process involves the.....

A releases of two electronsB sharing of two electrons C sharing of six electronsD sharing of two pairs of electrons

33 The diagram below shows a setup of a Daniell cell.

Which of the following statements are true?

I Electrons flow from copper electrode to zinc electrode through the outer circuitII Copper electrode is the positive terminalIII Brown precipitates form at the copper electrodeIV Zinc dissolves A I dan II onlyB III dan IV onlyC II, III dan IV onlyD I, II, III dan IV

34 Which of the following will not happen when hydrated copper(II) sulphate crystals CuSO4.7H2O are heated strongly in a crucible?

A Formation of waterB Formation of copper (I) sulphateC Formation of a white coloured substanceD Increment in mass to the hydrated crystals

4541/1TOV 2007 SULIT

11

V

Copper

Copper(II) sulphate solution

Zinc

Zinc sulphate solution

Porous pot

Z16

8

Page 12: Question P1

CONFIDENTIAL 4541/1

35 The flow chart below shows the stages I, II, III and IV in the Contact Process during the preparation of sulphuric acid in industry.

S I SO2 II SO3 III H2S2O7 IV H2SO4

Choose the right chemicals used at each stage.

I II III IVA O2 O2 H2O H2SO4

B O2 O2 H2SO4 H2OC O2 H2O O2 H2SO4

D H2O O2 H2SO4 O2

36 An experiment was carried out to study the rate of reaction of magnesium and hydrochloric acid. The total volume of hydrogen gas released was measured at a given time interval.

Which of the graphs is correct?

AVolume H2/cm3

Time/s

BVolume H2/cm3

Time/s

C

4541/1TOV 2007 SULIT

12

Page 13: Question P1

CONFIDENTIAL 4541/1

Volume H2/cm3

Time/s

DVolume H2/cm3

Time/s

37 The complete combustion of 0.1 mol of ethanol, C2H5OH in excess oxygen produces 140 kJ of heat energy.Calculate the heat energy released if 23.0 g of ethanol burns completely?[ Relative atomic mass : H = 1 , C = 12, O = 16 ]

A 70 kJB 140 kJC 700 kJD 1400 kJ

38 Bromin-79 atom and bromin-81 atom are isotopes. Bromine-79 atom has 44 neutrons. Calculate the number of neutron in a bromin-81 atom?

A 35B 37C 46D 48

39 Decomposition by heat of lead(II) nitrate can be represented by the following chemical equation :

What is the mass of oxygen gas given off when 33.1 g of lead(II) nitrate decompose completely?

4541/1TOV 2007 SULIT

13

2Pb(NO3)2(p) 2PbO(p) + 4NO2(g) + O2(g)

Page 14: Question P1

CONFIDENTIAL 4541/1

[ Relative atomic mass : O = 16, N = 14, Pb = 207 ]

A 1.6 gB 3.2 gC 16.0 gD 32.0 g

40 The diagram below shows the set-up used in the reaction of sodium metal and water to form sodium hydroxide solution and hydrogen gas.

Calculate the number of mole of sodium hydroxide produced in this reaction.[ Relative atomic mass : Na = 23 ]

A 0.01B 0.02C 0.20D 2.00

41 The table below shows the proton number of atoms elements S and T.

Element Proton numberS 12T 17

Which of the following is the correct combinations of chemical formula and chemical bonding for the compound formed between S and T?

Formula Type of bondA ST2 IonicB S2T IonicC ST2 CovalentD S2T Covalent

42 The diagrams below shows the arrangement for two voltaic cells.

4541/1TOV 2007 SULIT

14

250 cm3 of water

0.46 g of sodium

Copper (II) sulphate solution

Metal P +__

__

Metal Q +__

__

Metal RMetal P

Page 15: Question P1

CONFIDENTIAL 4541/1

Cell A Cell B

The voltmeter reading of cell A is 2.7 V and the voltmeter reading of cell B is 1.1 V. Which of the following is the correct arrangement in order of increasing electropositivity for metal P, Q dan R ?

A P, Q, RB R, P, QC P, R, QD Q, R, P

43 A student wrote the chemical formula of copper(II) hydroxide as shown below.

What is the mistake made by this student?

A OH symbol not written inside a bracketB The digit`2` should be written after the Cu symbol C Cu written after OH2

D Positive and negative charges are not included

44 Which fertiliser has the highest percentage of nitrogen content? [Relative atomic mass : H = 1, C = 12, N = 14, P = 31 dan S = 32 ]

A Diammonium hydrogen phosphate(V), (NH4)2HPO4

B Ammonium sulphate, (NH4)2 SO4

C Ammonium nitrate, NH4 NO3

D Urea, CO(NH2 )2

45 The graph below shows the relationship of the volume of carbon dioxide gas and the time taken for chemical reaction between hydrochloric acid and a carbonate salt at room temperature and pressure.

4541/1TOV 2007 SULIT

15

80

CuOH2

Page 16: Question P1

CONFIDENTIAL 4541/1

Volume of CO2 gas/cm³ 120

0 30 60 Time/s

Calculate the maximum mass of carbon dioxide gas released.[Relative atomic mass : C = 12 , O = 16 , 1 mole of any gas occupies 24 dm³ at room conditions]

A 0.147 gB 0.220 gC 146.700 gD 220.000 g

46 A patient must adhere strictly and consume all the antibiotics as prescibed by her physician.For not consuming all the antibiotics could lead to .....

A other complication of sickness B the total number of bacteria remains as before C the patient feels letargic bacause of the presence of bacteriaD ineffectiveness of this antibiotic to combat against this strain of bacteria

47 Elements X and Y belong to the same group in The Periodic Table. If the proton number for element X is 10, what are the possible proton number for the element Y?

I 2II 14III 18IV 20 A I dan III onlyB I dan IV onlyC II dan III onlyD II dan IV only

48 0.48 g of metal M powder burns in excess of oxygen gas to form 0.80 g of M oxide.What is the empirical formula for M oxide?[Relative atomic mass : M = 24, O = 16 ]

4541/1TOV 2007 SULIT

16

Page 17: Question P1

CONFIDENTIAL 4541/1

A MOB MO2

C M2OD M2O3

49 Element X has the following characteristics :

What is the volume of hydrogen gas released when 0.01 mol of X reacts completely with water?[ Given : 1 mole of gas occupies 24 dm3 of space at room temperature and pressure ]

A 12 cm3

B 24 cm3

C 120 cm3

D 240 cm3

50 The diagram below shows the electron arrangement for the atom of element J

The element J reacts with oxygen gas, O2 to form J oxide.

What is the relative atomic mass of J if 0.1 mol of the compound J has a mass of 10.2 g?[ Relative atomic mass : O = 16 ]

A 13B 27C 54D 102

END OF QUESTION PAPER

4541/1TOV 2007 SULIT

17

Has an electron arrangement 2.8.8.1 React with water to produce an alkaline solution and hydrogen gas is given off.

J


Top Related