Which of the following transitions involves the release of heat?
- A) Melting
- B) Evaporation
- C) Freezing
- D) Boiling
- Answer: C) Freezing
Which state of matter has particles that are spread far apart and move freely?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: C) Gas
The ability of a liquid to flow and take the shape of its container is due to:
- A) High intermolecular forces
- B) Low kinetic energy
- C) Strong bonding forces
- D) Moderate intermolecular forces
- Answer: D) Moderate intermolecular forces
What happens to the density of a gas when its temperature is increased, assuming pressure remains constant?
- A) Density increases
- B) Density decreases
- C) Density remains the same
- D) Density fluctuates
- Answer: B) Density decreases
Which state of matter has the lowest energy of its particles?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: A) Solid
The energy required to change a substance from a liquid to a gas at its boiling point is called:
- A) Latent heat of fusion
- B) Specific heat capacity
- C) Latent heat of vaporization
- D) Heat of combustion
- Answer: C) Latent heat of vaporization
Which of the following states of matter has the highest density?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: A) Solid
What is the phase transition from gas to liquid called?
- A) Freezing
- B) Melting
- C) Condensation
- D) Sublimation
- Answer: C) Condensation
In which state of matter do particles have a fixed volume but no fixed shape?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: B) Liquid
Which state of matter has particles in constant, random motion?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: C) Gas