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SULIT 4541/1

KIMIA

TINGKATAN 4

KERTAS 1

Satu jam lima belas minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas soalan ini mengandungi 50 soalan

2. Jawab semua soalan

3. Tiap-tiap soalan diikuti oleh empat cadangan yang berhuruf jawapan A, B, C dan D.Bagi tiap-tiap soalan pilih satu jawapan sahaja. Tandakan semua jawapan anda pada

kertas jawapan objektif yang disediakan.

4. Fikir dengan teliti ketika memilih jawapan. Jika anda hendak menukar sesuatu

jawapan, padamkan tanda yang telah dibuat. Kemudian hitamkan jawapan yang baru.

5. Rajah yang mengiringi soalan tidak dilukis mengikut skala.

6. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan.

Kertas soalan ini mengandungi 10 halaman bercetak

4541/1 [Lihat Sebelah

4541/1

4541/1

Kimia

Kertas 1

May

2010

1 jam

Name:

Form:

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SULIT 4541/1Question 1 to Question 50 are followed by four options A, B, C or D. Choose the best option

for each question and blackened the corresponding space on the objective answer sheet.

1. Chemistry is a branch of science that studies

A. properties of matter and energy

B. living things and their life processes

C. structure, composition and reaction between elements and compound

D. position, movement and interpreting of the stars

2. Solubility of a salt increases with the increase in temperature. This is a statement of

A. inference

B. synthesis

C. guessing

D. hypothesis

3. The steps in the scientific method include

I. Making an observation

II. Collecting data

III. Making a inference

IV. Carrying out an experimentA. I and II only

B. II and III only

C. I, II and III only

D. I, II III and IV

4. P, Q, R and S are the step for investigation in a scientific method.

Which of the following shows the correct order?

A. P, R, Q, S

B. Q, R, S, P

C. R, Q, S, P

D. S, Q, R, P

5. Which one of the following is not a scientific attitude or noble value?

A. Systematic

B. Negligent

C. Analytical

D. Cooperative

6. Matter consists of the following particles except

A. atoms

B. electrons

C. ions

D. molecules

7. Figure 1 shows the arrangement of particles of a substances at room temperature.

Figure 1


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P- Collecting data

Q- Controlling variables

R- Making hypothesis

S- Conduct the experiment

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SULIT 4541/1Which of the following is the substance?

A. Copper

B. Helium

C. Iodine

D. Water

8. Diagram 1 shows the heating curve for a solid Y

Which of the following statements is true?

A. Energy is released from T2 to T3B. Substance Y exists as solid only from T1 to T2

C. Particles of substance Y become further apart after T4D. Heat is absorbed to increase the kinetic energy from T1 to T2

9. Who discovered the presence of neurons in the nucleus?

A. James Chadwick

B. J.J Thomson

C. John Dalton

D. Niels Bohr

10. Which set of subatomic particles contributes mainly to the mass of an atom?

A. proton and neutron

B. proton and electron

C. neutron and electronD. electron only

11. Which of the following substances contain atoms?

A. Copper

B. Glucose

C. Sodium nitrate

D. Hydrogen gas

12. Acetamide solids are heated until they melt. Which of the following graph represents the

temperature versus time?


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13. Atom X has the electron arrangement of 2.5. The number of neutron in atom X is 8.

What is its nucleon number?

A. 7

B. 8

C. 15

D. 22

14. Which of the following element has the same number of neurons?

A. W and X

B. X and Z

C. W and Z

D. X and Y

15. Table 1 shows the number of subatomic particles of W, X, Y and Z.

Particle Number of protons Number of electrons Number of neutrons

W 11 11 12

X 11 10 12

Y 17 17 18

Z 17 17 20

Which of the following pairs of particles are isotopes of an element?

A. W and X

B. Y and Z

C. W and Y

D. X and Z

16. Which of the following are the correct uses of radioisotopes in our daily life?

I. Cobalt-60 in the treatment of cancer

II. Phosphorus-32 in the study of phosphorus metabolism in plants

III. Carbon-14 in carbon dating to estimate age of fossils and artefacts

IV. Iodine-131 in the treatment of thyroid patients

A. I and II only

B. II, III and IV only

C. I, III and IV only

D. I, II, III and IV

17. Table 2 shows the melting points and boiling points for 4 substances R, S, T and U.

Substances Melting point (oC) Boiling point (OC)

R 114 443

S -11 24

T 20 98

U -65 -8

Which of the following substance exists as solid at room temperature?

A. R

B. S

C. T

D. U


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18. Figure 2 shows the symbol for a chlorine atom.

Which of the following is true based on the symbol in Figure 1?Proton number Nucleon number Number of electron

A 17 37 17

B 17 20 17

C 20 37 20

D 37 17 37

19. The proton number of potassium is 19. Which one of the following electron arrangement

is correct for a potassium atom?

A. 2.8.7.2

B. 2.8.1.7

C. 2.8.8.1

D. 1.9.7.1

20. An atom of element M has a nucleon number of 40 and its electron arrangement is

2.8.8.2. What is the proton number of element X?

A. 8

B. 20

C. 24

D. 32

21. Element S has a proton number of 3. As such, which of the following elements have

similar chemical properties as element S?

22. The relative atomic mass of an element X is defined as

A. Mass of 1 atom of X

Mass of 1 atom of hydrogen

B. Mass of 1 atom of X

x mass of 1 atom of carbon-12

C. Mass of 1 atom of X

Mass of 1 atom of carbon

D. Mass of 1 atom of X

1/16 x mass of 1 atom of carbon

23. Ammonium sulphate has a formula of (NH4)SO4. The relative formula mass ofammonium sulphate is .. [Relative atomic mass: H, 1; N, 14; O, 16; S, 32]

A. 63

B. 114

C. 124

D. 132

24. The composition of an atom Q and an atom R are as shown in Table 3 below:

Atom Number of protons Number of neutrons Number of electronsQ 13 14 8

R 8 8 8


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Which of the following statements are true about the compound Q2R3?

I. It has a molar mass of 102g

II. Its relative molecular mass is 102

III. 102g of Q2R3 contains 5 x 6.02 x 1023 atoms

IV. A molecule of Q2R3 is 102 time heavier than a Carbon-12 atomA. I and II only

B. II and IV onlyC. I, II and III only

D. I, II and IV only

25. Which of the following statements are true about Avogadro constant?

I. 1 mole of an element contain 6.02 x 1023 molecules

II. 1 mole of an compound contain 6.02 x 1023 atoms

III. 1 mole of an element contain 6.02 x 1023 atoms

IV. 1 mole of any gas contain 6.02 x 1023 moleculesA. I and II only

B. I, II and III only

C. III and IV only

D. II, III and IV only

26. Which of the following substances contains 6.02 x 1023 atoms?

I. 1 mole of oxygen gas, O2II. 1 mole of nitrogen gas, N2III. 1 mole of sodium metal, Na

IV. 1 mole of magnesium metal, Mg

A. I and II only

B. I and III only

C. II and III only

D. III and IV only

27. How many times is one atom of cadmium heavier than one atom of magnesium?

[Relative atomic mass: Mg, 24; Cd, 48]

A.

B. 2

C. 3

D. 6

28. How many magnesium atoms have the same mass as 2 silver atoms? [Relative atomic

mass: Mg, 24; Ag, 108]

A. 5

B. 9

C. 12D. 54

29. How many atoms of bromine are there in 0.045 moles of bromine? [NA = 6.02 x 1023 ]

A. 0.045 x 6.02 x 1023B. 0.045 .

6.02 x 1023

C. 2 x 0.045 x 6.02 x 1023D. 0.045 x 2

6.02 x 1023

30. Which of the following gases has the biggest volume at room condition? [Relative atomicmass: H, 1; C, 12; N, 14; O, 16; S, 32]

A. 4.2g ammonia gas, NH3


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B. 7.0g nitrogen gas, N2C. 16.0g sulphur dioxide gas, SO2D. 22.0g carbon dioxide gas, CO2

31. 560 cm3 ammonia gas at room conditions consists of. [NA = 6.02 x 1023 mol-1; 1 moleof gas occupies 24dm3 at room condition]

A. 1.4 x 1022 molecules

B. 1.8 x 1022 moleculesC. 2.0 x 1023 molecules

D. 2.8 x 1023 molecules

32. An oxide of nitrogen contain 4.2g of nitrogen and 9.6g of oxygen. What is its empirical

formula? [Relative atomic mass: N, 14; O, 16]

A. NO

B. NO2C. N2O

D. N2O3

33. Which of the followings give the correct pairing of compound with its formula?Compound Formula

I Zinc oxide Zn2O

II Ammonium nitrate NH4NO3III Sodium sulphate Na2SO4IV Calcium chloride CaCl2

A. I and IV only

B. II and III only

C. II, III and IV only


34. What shown by the formula for a chemical reaction?

I. Type and properties of the reactant and the product

II. Quantities of the reactants involved and the resulting products

III. Rate and mechanism of the reaction

IV. A quantitative chemical reaction

A. I and II only

B. I, II and III only

C. I, II and IV only


35. Which of the following chemical equations are correctly balanced?

I. 2Fe + 3Cl2 2FeCl3

II. 2KOH + H2SO4 K2SO4 + 2H2OIII. 3C + 2Fe2O3 4Fe + 3CO2A. I only

B. I and III only

C. II and III only

D. I, II and III

36. When copper (II) oxide is heated, it decomposes according to the equation below:

Calculate the mass of copper (II) oxide formed when 31.0g of copper (II) carbonate is

heated. [Relative atomic mass: C, 12; O, 16; Cu, 64]A. 20.0g

B. 25.0g


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CuCO3(s) CuO(s) + CO2(g)

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SULIT 4541/1C. 30.0g

D. 40.0g

37. 3.9g of potassium is burnt completely in the air. What is the mass of potassium oxide

produce? [Relative atomic mass: K, 39; O, 16]

A. 2.1g

B. 4.3g

C. 4.7gD. 9.4g

38. Which of the following elements is a metal?

Elements Proton number

A P 9

B Q 10

C R 14

B S 20

39. Figure 2 shows the electron arrangement of atom of element Q.

Element Q

Where is Q located in the Periodic Table?

Group Period

A 12 14

B 2 3

C 12 3D 2 13

40. The elements represented by the letters W, X, Y and Z are placed in the Periodic Tableas shown in Figure 3.

Which of the following pairs of elements has the same chemical properties?

A. W and ZB. V and X

C. X and Y

D. V and Z

41. Table 4 shows the proton number of four elements W, X, Y and Z.

Element W X Y Z

Proton number 11 13 17 19

Which of the following arrangements shows the size of atoms in ascending order?

A. W, X, Y, Z

B. Y, X, W, Z

C. Z, Y, X, WD. X, Y, Z, W


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SULIT 4541/142. Q and R are two elements located in the same group. The proton number of Q is 9.

What is the possible electron arrangement of atom R?

A. 2.8.7

B. 2.8.8.8

C. 2.8.8.1

D. 2.8.8.4

43. Element in Group 18 of the Periodic Table exist as monoatomic gases becauseA. the atom are stableB. all the atoms have 18 electrons

C. the atoms are chemically inactive

D. the atoms have duplet or octet electron arrangements

44. Which of the following noble gases is used in laser?

A. Neon

B. Argon

C. Helium

D. Krypton

45. The proton number of element R is 14. In which group can element R be found in thePeriodic Table?

A. Group 1

B. Group 2

C. Group 13

D. Group 14

46. Noble gases do not react with other elements. This is because

A. they exist as monoatoms

B. their outer electron shell are fully filled

C. their have low boiling and melting points

D. they belong to group 18 in the Periodic Table

47. Which of the following are the physical properties of group 1 elements?

I. Soft solid

II. Very high densities

III. Very high melting and boiling points

IV. Good electrical conductivity

A. I and IV only

B. II and III only

C. II, III and IV only


48. Which one of the following groups of elements where all are found in Group 17 of the

Periodic Table?

A. F, Br, Cl, I

B. F, Br, Cl, Na

C. I, F, Br, Mg

D. Cs, B, In, As

49. Table 3 shows the proton numbers of two elements in Group 1.

Element Proton number

Sodium 11

Potassium 19

Which statement is true about these two elements?

A. Sodium has a bigger atomic size than potassiumB. Sodium is less reactive than potassium.

C. Sodium has a smaller number of valence electrons than potassium


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SULIT 4541/1D. Sodium has more protons than potassium.

50. Which of the following statements explains why Group 1 elements have similar chemical

properties?

A. All the elements are alkali earth metal

B. All elements have one valence electronC. The atomic number increases down the group.

D. The melting point increases down the group


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kertas 1 pep may 2010

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