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Quiz Chapter 5: Matter

10 questions ยท Form 1 Science Bab 5: Matter

Question 1 of 10Score: 0

Which state of matter allows diffusion to occur at the fastest rate?

Full Question List & Answer Key

Prefer reading to quizzing? All 10 questions are listed below with the answer and explanation under each one.

1. Which state of matter allows diffusion to occur at the fastest rate?

  1. Solid
  2. Liquid
  3. Gas
  4. All states diffuse at equal rates
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Answer: C

Gas particles possess high kinetic energy and move rapidly and randomly in all directions, yielding the fastest rate of diffusion.

2. Why does a balloon expand when air is blown into it?

  1. Air particles increase in size
  2. Air is matter that occupies space and exerts pressure inside the balloon
  3. Air particles lose kinetic energy
  4. Air turns into liquid inside the balloon
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Answer: B

Air is matter. As more gas particles are added, they occupy space and collide against the inner balloon walls, causing expansion.

3. How do particles move inside a solid material?

  1. They slide across each other freely
  2. They move rapidly in random straight paths
  3. They vibrate and rotate about fixed positions
  4. They remain completely motionless
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Answer: C

Because of strong attractive forces, solid particles cannot translate position freely; they only vibrate and rotate in place.

4. Why can gases be compressed easily into smaller containers, whereas solids cannot?

  1. Gas particles move slowly
  2. There are large empty spaces between gas particles
  3. Gas particles have strong attraction forces
  4. Gas particles have fixed positions
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Answer: B

Gas particles are spread far apart, leaving substantial space between them that allows compression when external pressure is applied.

5. Which physical property measures the temperature at which a liquid rapidly transitions into a gas throughout its entire volume?

  1. Melting point
  2. Boiling point
  3. Freezing point
  4. Condensation point
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Answer: B

The boiling point is the specific temperature at which liquid turns into gas throughout the bulk liquid.

6. Which of the following is the correct scientific definition of matter?

  1. Anything that has mass and occupies space
  2. Anything that can conduct electricity and heat
  3. Any substance that exists as a solid or liquid
  4. Anything that has a fixed shape and volume
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Answer: A

By definition, matter is anything that possesses mass and takes up volume (occupies space).

7. When a drop of ink is placed in a beaker of water, the water slowly changes color without stirring. What process causes this?

  1. Sublimation
  2. Diffusion
  3. Condensation
  4. Evaporation
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Answer: B

Diffusion causes ink particles to move randomly from an area of high concentration to lower concentration throughout the water.

8. How does evaporation differ from boiling?

  1. Evaporation occurs at any temperature below the boiling point and only on the liquid surface
  2. Evaporation occurs throughout the whole liquid volume
  3. Evaporation occurs only at a fixed temperature
  4. Evaporation releases heat while boiling absorbs heat
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Answer: A

Evaporation happens exclusively at the surface of a liquid across a range of temperatures below its boiling point, whereas boiling occurs throughout the liquid at a fixed temperature.

9. Which process describes the direct transformation of a solid into a gas without turning into a liquid first?

  1. Evaporation
  2. Condensation
  3. Sublimation
  4. Deposition
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Answer: C

Sublimation is the process where a solid absorbs heat energy and transitions directly into gas.

10. Which of the following changes of state involves the release (loss) of heat energy?

  1. Melting
  2. Boiling
  3. Freezing
  4. Sublimation
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Answer: C

Freezing requires liquid to lose thermal energy (cool down) to solidify.

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