The process of a solid turning directly into a gas without becoming a liquid is called:
- A) Deposition
- B) Freezing
- C) Sublimation
- D) Condensation
- Answer: C) Sublimation
What happens to the temperature of a substance during boiling?
- A) It decreases
- B) It increases
- C) It remains constant
- D) It fluctuates
- Answer: C) It remains constant
In which state of matter are intermolecular forces weakest?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: C) Gas
The process where a gas turns into a liquid is called:
- A) Condensation
- B) Evaporation
- C) Melting
- D) Freezing
- Answer: A) Condensation
Which of the following states of matter has the highest temperature and energy?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: D) Plasma
The temperature at which a liquid boils is known as:
- A) Melting point
- B) Boiling point
- C) Freezing point
- D) Sublimation point
- Answer: B) Boiling point
Which state of matter is least compressible?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: A) Solid
The process of a substance changing from a liquid to a gas is known as:
- A) Condensation
- B) Boiling
- C) Freezing
- D) Melting
- Answer: B) Boiling
In which state of matter do particles vibrate but do not move from fixed positions?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: A) Solid
The amount of heat required to convert a unit mass of a substance from a liquid to a gas is called:
- A) Latent heat of fusion
- B) Latent heat of vaporization
- C) Specific heat capacity
- D) Heat of combustion
- Answer: B) Latent heat of vaporization