2010 chemistry qa perak(gerak+gempur)

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  • 8/13/2019 2010 Chemistry Qa Perak(Gerak+Gempur)

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    Gerak Gempur SPM Chemistry paper 1

    1 Which of the following substances is made up of atoms?Antara berikut, bahan yang manakah terdiri daripada atom?

    A

    B

    C

    D

    Iron

    Ferum

    Oxygen gasGas oksigen

    Naphthalene

    Naftalena

    Sodium chlorideNatrium klorida

    2 The equation below shows the reaction between magnesium and hydrochloric acid,Persamaan di bawah menunjukkan tindakbalas antara magnesium dan asid hidroklorik

    Mg(s) + 2HCl(aq) MgCl2(aq) + H2(g)

    Which of the following statements is true?

    Antara pernyataan berikut, yang manakah benar?

    [Relative atomic mass of H = 1. Mg = 24, Cl = 35.5][Jisim atom relatif H = 1, Mg = 24, Cl = 35.5]

    A

    B

    C

    D

    1 g magnesium react with 2 g hydrochloric acid to produce 1 g magnesium chloride and

    1 g hydrogen gas1 g magnesium bertindak balas dengan 2 g asid hidroklorik menghasilkan 1 gmagnesium klorida dan 1 g gas hidrogen

    24 g magnesium react with 36.5 g hydrochloric acid to produce 95 g magnesium chlorideand 2 g hydrogen gas24 g magnesium bertindak balas dengan 36.5 g asid hidroklorik menghasilkan 95 gmagnesium klorida dan 2 g gas hidrogen

    1 mol magnesium react with 2 mol hydrochloric acid to produce 1 mol magnesiumchloride and 1 mol hydrogen gas

    1 mol magnesium bertindak balas dengan 2 mol asid hidroklorik menghasilkan 1 mol

    magnesium klorida dan 1 mol gas hidrogen

    1 magnesium atom reacts with 2 hydrochloric acid molecule to produce 1 magnesiumchloride molecule and 1 hydrogen gas molecule

    1 atom magnesium bertindak balas dengan 2 molekul asid hidroklorik menghasilkan 1molekul magnesium klorida dan 1 molekul gas hidrogen

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    3 Which of the following chemists arranged the elements in order of increasing atomic mass in ThePeriodic Table ?

    Antara ahli kimia berikut, yang manakah menyusun unsur-unsur dalam Jadual Berkalaberdasarkan pertambahan jisim atom?

    A

    B

    C

    D

    Dmitri Mendeleev

    Johann Dobereiner

    John Newlands

    Henry Moseley

    4 Element J has 11 electrons

    Unsur J mempunyai 11 elektron.

    Which of the following electron arrangements represent ion J?Antara susunan elektron berikut, yang manakah mewakili ion J?

    5 The ions that are present in copper(II) sulphate solution areIon-ion yang wujud dalam larutan kuprum(II) sulfat ialah

    A

    B

    C

    Cu2+,SO42-

    Cu2+, SO42-, H+

    Cu2+, SO42-, OH-

    A

    D

    C

    B

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    Gerak Gempur SPM Chemistry paper 1

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    D Cu2+, SO4

    2-, H+, OH-

    6 Which of the following is a strong acid?Antara yang berikut, yang manakah asid kuat?

    A

    B

    C

    D

    Alkyl sulphonic acid

    Asid Alkil sulfonik

    Ethanoic acid

    Asid etanoik

    Palmitic acidAsid palmitik

    Nitric acidAsid nitrik

    7 Which of the following is a salt ?Antara berikut, yang manakah merupakan garam?

    A

    B

    C

    D

    Lead (II) oxidePlumbum(II) oksida

    Barium hydroxideBarium hidroksida

    Aluminium nitrateAluminium nitrat

    Hydrogen sulphate

    Hidrogen sulfat

    8 Which of the following is true about manufactured substance in industry and its uses?Antara yang berikut,,yang manakah benar tentang bahan buatan dalam industri dengan

    kegunaannya?

    Manufactured substance in industry

    Bahan Buatan I ndustri

    Uses

    Kegunaan

    A PolythenePolitena

    LensesKanta

    B Lead glass

    Kaca Plumbum

    Mirror

    Cermin

    C Photochromic glass

    Kaca fotokromik

    Optical lenses

    Kanta cermin mata

    D Plastic reinforced with glassPlastik yang diperkukuhkan dengan kaca

    Test tubeTabung uji

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    9 Which of the following statements best explain the decrease in rate of decomposition ofhydrogen peroxide with time?

    Antara pernyataan berikut,yang manakah menerangkan pengurangan kadar penguraianhidrogen peroksida dengan masa ?

    A

    B

    C

    D

    Product of reaction decreasesHasil tindak balas berkurang

    Temperature of hydrogen peroxide decreasesSuhu hidrogen peroksida berkurang

    Volume of hydrogen peroxide decreases

    Isipadu hidrogen peroksida berkurang

    Concentration of hydrogen peroxide decreasesKepekatan hidrogen peroksida berkurang

    10 Which of the following chemicals is used to keep latex in its liquid state?Antara bahan kimia berikut, yang manakah digunakan untuk mengekalkan lateks dalam keadaan

    cecair?

    A

    B

    C

    D

    Aqueous ammoniaAmmonia akueous

    Ethanoic acid

    Asid ethanoik

    MethanolMetanol

    WaterAir

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    12 What is the meaning of heat of reaction?Apakah maksud haba tindak balas?

    A The energy needed to break the chemical bondTenaga yang diperlukan untuk memecahkan ikatan kimia

    B The energy needed to start a reactionTenaga yang diperlukan untuk memulakan tindak balas

    C The energy involved when change of state of matter occurs

    Tenaga yang dibebaskan apabila perubahan keadaan bahan berlaku

    D The change in the energy contained in the products and in the reactantsPerubahan kandungan tenaga dalam hasil tindak balas dan bahan tindak balas

    11 Diagram 1 shows the set up of apparatus for a chemical reaction.

    Rajah 1 menunjukkan susunan radas bagi satu tindak balas kimia.

    DIAGRAM 1RAJAH 1

    Which of the following statements is true for the reaction?

    Antara pernyataan berikut, yang manakah benar mengenai tindak balas itu?

    A

    B

    C

    D

    Iron is reducedFerum diturunkan

    Iron is an oxidising agentFerum adalah agen pengoksidaan

    Magnesium releases electronMagnesium membebaskan elektron

    The oxidation number of magnesium decreases

    Nombor pengoksidaan magnesium berkurang

    Magnesium strip

    Kepingan magnesium

    Agar solution

    Larutan agar-agar

    Iron strip

    Kepingan ferum

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    13 The body of an aeroplane is made up of alloy X.Badan sebuah kapalterbang dibina dari sejenis aloi X.

    What is the alloy X?Apakah aloi X itu?

    A

    B

    C

    D

    PewterPiuter

    BrassLoyang

    BronzeGangsa

    DuraluminDuralumin

    14 Which of the following is true about the charges of an electron, a neutron and a proton?Antara yang berikut, yang manakah benar tentang cas-cas bagi elektron, neutron dan proton?

    A

    B

    C

    D

    Electron

    Elektron

    Neutron

    Neutron

    Proton

    Proton

    NegativeNegatif

    PositivePositif

    NeutralNeutral

    PositivePositif

    NeutralNeutral

    NegativeNegatif

    PositivePositif

    NegativeNegatif

    NeutralNeutral

    NegativeNegatif NeutralNeutral PositivePositif

    15 Which of the following pair of compounds and formulae is correct?Antara berikut, yang manakah pasangan sebatian dan fomulanya betul?

    A

    B

    C

    D

    Compound Formula

    Sebatian Formula

    Sodium sulphate NaSO4

    Natrium sulfat

    Copper(II) oxide Cu2OKuprum(II) oksida

    Iron(III) chloride FeCl3Ferum(III) klorida

    Zinc nitrate Zn(NO2)3Zink nitrat

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    16 Astatine is below iodine in Group 17 of Periodic Table.

    Astatine terletak di bawah iodin dalam Kumpulan17 Jadual Berkala.

    Which of the following statements is true for astatine?Antara pernyataan berikut, yang manakah benar tentang astatine?

    A

    B

    C

    D

    Form basic oxideMembentuk oksida alkali

    Exists as monoatomWujud sebagai monoatom

    Solid at room temperature

    Pepejal pada suhu bilik

    More electronegativity than iodineLebih elektronegatif daripada iodin

    17 The diagram 2 shows the electron arrangement of a molecule of water ,H2O

    Rajah 2 menunjukkan susunan elektron bagi molekul air ,H2O

    DIAGRAM 2RAJAH 2

    Which of the following statements is true about the molecule?Antara pernyataan berikut, yang manakah benar tentang molekul itu ?

    A

    B

    C

    D

    The compound has high melting pointSebatian mempunyai takat lebur yang tinggi

    Oxygen atom ,O has four pairs of electrons to share

    Atom oksigen, O mempunyai empat pasang elektron untuk di kongsi

    The bonding between molecules of water, H2O is of Van der Waals forcesIkatan antara molekul air,H2Oialah daya Van der Waals

    Each oxygen atom , O receives two electrons to form an oxide ionSetiap atom oksigen, O menerima dua elektron untuk membentuk satu ion oksida.

    H O H

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    18 The diagram 3 shows the set up of the apparatus of a simple chemical cell.The reading on the voltmeter is 0.5 V.

    Rajah 3 menunjukkan satu radas bagi satu sel kimia yang ringkas.Bacaan pada voltmeter ialah 0.5 V.