2010 chemistry perak(gerak gempur)

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 gas

Gas oksigen

Naphthalene

Naftalena

Sodium chloride

Natrium 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 gas

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

magnesium klorida dan 1 g gas hidrogen

24 g magnesium react with 36.5 g hydrochloric acid to produce 95 g magnesium chloride

and 2 g hydrogen gas

24 g magnesium bertindak balas dengan 36.5 g asid hidroklorik menghasilkan 95 g

magnesium klorida dan 2 g gas hidrogen

1 mol magnesium react with 2 mol hydrochloric acid to produce 1 mol magnesium

chloride 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 magnesium

chloride molecule and 1 hydrogen gas molecule

1 atom magnesium bertindak balas dengan 2 molekul asid hidroklorik menghasilkan 1

molekul magnesium klorida dan 1 molekul gas hidrogen

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Gerak Gempur SPM Chemistry paper 1

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3 Which of the following chemists arranged the elements in order of increasing atomic mass in The

Periodic Table ?

Antara ahli kimia berikut, yang manakah menyusun unsur-unsur dalam Jadual Berkala

berdasarkan 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 are

Ion-ion yang wujud dalam larutan kuprum(II) sulfat ialah

A

B

C

Cu2+

, SO42-

Cu2+

, SO42-

, H+

Cu

2+, SO4

2-, OH

-

A

D

C

B

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Gerak Gempur SPM Chemistry paper 1

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D Cu2+

, SO42-

, 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 acid

Asid palmitik

Nitric acid

Asid nitrik

7 Which of the following is a salt ?

Antara berikut, yang manakah merupakan garam?

A

B

C

D

Lead (II) oxide

Plumbum(II) oksida

Barium hydroxide

Barium hidroksida

Aluminium nitrate

Aluminium 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 Industri

Uses

Kegunaan

A Polythene

Politena

Lenses

Kanta

B Lead glass

Kaca Plumbum

Mirror

Cermin

C Photochromic glass

Kaca fotokromik

Optical lenses

Kanta cermin mata

D Plastic reinforced with glass

Plastik yang diperkukuhkan dengan kaca

Test tube

Tabung uji

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Gerak Gempur SPM Chemistry paper 1

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9 Which of the following statements best explain the decrease in rate of decomposition of

hydrogen peroxide with time?

Antara pernyataan berikut,yang manakah menerangkan pengurangan kadar penguraian

hidrogen peroksida dengan masa ?

A

B

C

D

Product of reaction decreases

Hasil tindak balas berkurang

Temperature of hydrogen peroxide decreases

Suhu hidrogen peroksida berkurang

Volume of hydrogen peroxide decreases

Isipadu hidrogen peroksida berkurang

Concentration of hydrogen peroxide decreases

Kepekatan 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 ammonia

Ammonia akueous

Ethanoic acid

Asid ethanoik

Methanol

Metanol

Water

Air

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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 bond

Tenaga yang diperlukan untuk memecahkan ikatan kimia

B The energy needed to start a reaction

Tenaga 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 reactants

Perubahan 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 1

RAJAH 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 reduced

Ferum diturunkan

Iron is an oxidising agent

Ferum adalah agen pengoksidaan

Magnesium releases electron

Magnesium 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

Pewter

Piuter

Brass

Loyang

Bronze

Gangsa

Duralumin Duralumin

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

Negative

Negatif

Positive

Positif

Neutral

Neutral

Positive

Positif

Neutral

Neutral

Negative

Negatif

Positive

Positif

Negative

Negatif

Neutral

Neutral

Negative

Negatif

Neutral

Neutral

Positive

Positif

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 Cu2O Kuprum(II) oksida

Iron(III) chloride FeCl3 Ferum(III) klorida

Zinc nitrate Zn(NO2)3 Zink 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 oxide

Membentuk oksida alkali

Exists as monoatom

Wujud sebagai monoatom

Solid at room temperature

Pepejal pada suhu bilik

More electronegativity than iodine

Lebih elektronegatif daripada iodin

17 The diagram 2 shows the electron arrangement of a molecule of water ,H2 O

Rajah 2 menunjukkan susunan elektron bagi molekul air ,H2O

DIAGRAM 2

RAJAH 2

Which of the following statements is true about the molecule?

Antara pernyataan berikut, yang manakah benar tentang molek