Objective Question s Practice 1

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Question 1 of 11

1. Question
1 point(s)
CHEM10201010
Which of the following statements is not true?
- Matter is anything that occupies space and has mass.
- The particle theory of matter states that matter is made up of a large number of tiny and discrete particles.
- The kinetic energy of the particles in a matter increases if its temperature increases.
- The particles in all kind of matter are identical.
Correct

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Question 2 of 11

2. Question
1 point(s)
CHEM10201020
Which of the following shows the correct comparison of the average kinetic energy of the particles in a solid, liquid and gas for a given substance?
- Solid > Liquid > Gas
- Solid < Liquid < Gas
- Solid = Liquid = Gas
- It depends on what kind of substance it is.
Correct

Incorrect
Question 3 of 11

3. Question
1 point(s)
CHEM10201030

The diagram shows the arrangement of particles in a substance. Which of the following is not the characteristic of the substance in this state?
- Particles move randomly and slowly and sometimes will collide against each other.
- The volume of the object is not fixed.
- Particles are not arranged in order. Most of the particles are still in contact with one another.
- Difficult to be compressed.
Correct

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Question 4 of 11

4. Question
1 point(s)
CHEM10201040
Which of the following statements is not true about the particles in a gas?
- The particles of gas move at high speed.
- The collision between the gas particles and the wall of the container is elastic.
- The gas particles move randomly in all direction.
- The gas particles are arranged in regular patterns.
Correct

Incorrect
Question 5 of 11

5. Question
1 point(s)
CHEM10201050
Which of the following take place when water solidifies to become ice?
- Energy is absorbed from the surrounding.
- Water molecules get nearer to each other.
- Water molecules are not arranged orderly.
- The mass increase.
Correct

Incorrect
Question 6 of 11

6. Question
1 point(s)
CHEM10201060
Which of the following substances sublimes at room pressure when heated?
- I. Iodine
- II. Dry ice (Solid carbon dioxide)
- III. Naphthalene
- IV. Ammonium Chloride
Correct

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Question 7 of 11

7. Question
1 point(s)
CHEM10201070
The particle theory of matter states that

Matter is made up of a large number of tiny and discrete particles.

Which of the following phenomenon does not support this hypothesis?
- Brownian Motion
- The shape of a solid is fixed.
- Diffusion of bromine vapour in gas.
- The volume of a substance increase when it transform from liquid into gas.
Correct

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Question 8 of 11

8. Question
1 point(s)
CHEM10201080

The graph above shows the change in temperature of a substance in a cooling process. The anomaly that shows in the circle is named as
- Plasma cooling
- Hyper cooling
- Over cooling
- Super cooling
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Question 9 of 11

9. Question
1 point(s)
CHEM10201090
Which of the following is not the precaution steps taken to prevent supercooling?
- Stir the liquid slowly all the time.
- Putting the test tube in a beaker that filled with cold water.
- Putting the test tube in a conical flask.
Correct

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Question 10 of 11

10. Question
1 point(s)
CHEM10201100

The diagram above shows the change of temperature of substance X when a solid of substance X is heated. Which of the following statements are correct about the experiment?
- I. Substance X exists only in liquid after 8 minute.
- II. Substance X begins to melt at 3 minute.
- III. The boiling point of substance X is 78oC.
- IV. Substance X exists as both a solid and a liquid in the fifth minute.
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Question 11 of 11

11. Question
1 point(s)
CHEM10201110
Substance T exists as a liquid at a temperature of 105 °C. Which of the following is the probable melting point and boiling point of substance T?
- Melting point: 5 °C
  Boiling point: 95 °C
- Melting point: -81 °C
  Boiling point: 36 °C
- Melting point: 120 °C
  Boiling point: 450 °C
- Melting point: 75 °C
  Boiling point: 130 °C
Correct

Incorrect

Which of the following substances sublimes at room pressure when heated?
1. Iodine
2. Dry ice (Solid carbon dioxide)
3. Naphthalene
4. Ammonium Chloride
Which of the following take place when water solidifies to become ice?
1. Energy is absorbed from the surrounding.
2. Water molecules get nearer to each other.
3. Water molecules are not arranged orderly.
4. The mass increase.

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