C02 - Structure Of Atom

30 Questions | By Norainics | Last updated: Feb 20, 2013 | Total Attempts: 337

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Soalan objektif kimia tingkatan 4 tajuk 2 structure of atom

Questions and Answers

1.

What is the first step in a scientific investigation?
- A.
  
  Making a hypothesis
- B.
  
  Making an observation
- C.
  
  Identifiying the problem
- D.
  
  Planning an experiment
2.

Which substance is an element?
- A.
  
  Air
- B.
  
  Stim
- C.
  
  Carbon
- D.
  
  Napthalene
3.

Which of the following substances is made up of atoms?
- A.
  
  Argon
- B.
  
  Nitrogen
- C.
  
  Chlorine
- D.
  
  Ammonia
4.

Which substance is an ionic compound?
- A.
  
  Ethanol
- B.
  
  Sulphur dioxide
- C.
  
  Tetrachloromethane
- D.
  
  Magnesium oxide
5.

Which of the following substances contain molecules?
- A.
  
  Zinc
- B.
  
  Ethanol
- C.
  
  Sodium chloride
- D.
  
  Magnesium oxide
6.

An enclosed cylinder is filled with helium atoms. Which diagram shows the arrangement of the helium atoms?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
7.

Which of the following shows the correct type of particle for each substance?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
8.

The diagram shows the partivles arrangement of a substance at room temperature. What is the substance?
- A.
  
  Water
- B.
  
  Helium
- C.
  
  Chlorine
- D.
  
  Nitrogen
9.

The diagram shows the arrangement of partivles in a substance at room temperature. This arrangement of partivles can be found in
- A.
  
  Carbon
- B.
  
  Cooper
- C.
  
  Oxygen
- D.
  
  Water
10.

Figure 11 shows the arrangement of particles found in four substances as named. Which pairs of the arrangement of partivles and the name of the substances are paired correctly?
- A.
  
  I and III only
- B.
  
  I and IV only
- C.
  
  II and III only
- D.
  
  III and IV only
11.

Which of the following diagram represents magnesium oxide?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
12.

The following statements are about diffusion. * The tiny particles are discrete * The tiny particles move randomly by themselves Which of the following situations are explained by the statements above? I bromine gas mixing with air II aqueous copper(II) sulphate moving through a gel III melting of lead(II) bromide IV combustion of magnesium in air
- A.
  
  I and II
- B.
  
  I and IV
- C.
  
  II and III
- D.
  
  III and IV
13.

Which of the following processes, proved the kinetic theory of matter?
- A.
  
  Diffusion
- B.
  
  Photosynthesis
- C.
  
  Respiration
- D.
  
  Neutralization
14.

A sample of carbon dioxide gas is cooled. Which of the following is true about the velocity and the size of its particles?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
15.

Diagram 1 shows an experiment to study the partivles theory of matter. After 30 minutes, the water turns purple. What is the process occur in the experiment shown in the diagram 1?
- A.
  
  Melting process
- B.
  
  Freezing process
- C.
  
  Diffusion process
- D.
  
  Evaporation process
16.

The diagram shows an experiment to study the particle theory of matter. Which of the following is the best explanation of the observation in the experiment?
- A.
  
  Agar dissolves copper(II) sulphate
- B.
  
  Copper(II) sulphate is an ionic compound
- C.
  
  Particles in copper(II) sulphate are minute and dicrete
- D.
  
  The attractive force between agar and copper(OO) sulphate particles is strong
17.

Diagram 2 shows the set up of apparatus to investigate the diffusion in a liquid. After a few hours, the whole test tube of water becomes purple in colour. Which of the following statements explain the observation?
- A.
  
  Pottasium manganate(VII) is denser than water
- B.
  
  Matter is made up of partivles that expand uniformly
- C.
  
  Matter is made up of partivles that are moving randomly
- D.
  
  Particles in pottassium manganate(VII) move faster in water
18.

The diagram shows the aparatus set - up to investigate Process X. What is Process X?
- A.
  
  Diffusion
- B.
  
  Condensation
- C.
  
  Evaporation
- D.
  
  Sublimation
19.

Figure 6 shows an experiment to compare the rate of diffusion between ammonia and yhdrogen chloride gases. The bigger the mass of a particle, the slower the velocity of the particle. Based on the above statement, where will the white fumes of ammonium chloride first formed?
- A.
  
  P
- B.
  
  Q
- C.
  
  R
- D.
  
  S
20.

Which of the following substances sublimes when heated?
- A.
  
  Ammonium chloride
- B.
  
  Potassium chloride
- C.
  
  Lead(II) chloride
- D.
  
  Zinc chloride
21.

Which of these substances will sublimate when heated?
- A.
  
  Ice
- B.
  
  Iodine
- C.
  
  Chlorine
- D.
  
  Sodium chloride
22.

Which of the following solids changes to gaseous state when it is heated?
- A.
  
  Lead(II) idide
- B.
  
  Silicon dioxide
- C.
  
  Ammonium chloride
- D.
  
  Copper(II) carbonate
23.

The diagram shows the change of state of matter. Which of the following is process X?
- A.
  
  Melting
- B.
  
  Boiling
- C.
  
  Freezing
- D.
  
  Condensation
24.

Diagram 1 shows the inter-conversion of the states of matter of a substance. Which inter-conversion involves the release of energy?
- A.
  
  Steam ---> ice
- B.
  
  Water ---> steam
- C.
  
  Ice ---> water
- D.
  
  Ice ---> steam
25.

Diagram 1 shows the inter conversion of water, steam and ice. In which conversion do the molecule lose speed?
- A.
  
  Ice ---> water
- B.
  
  Ice ---> steam
- C.
  
  Water ---> steam
- D.
  
  Steam ---> ice

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