changes of state

mcqspedia.com has 5 Question/Answers about Topic changes of state

A constant temperature at which a pure liquid changes into a gas is called

A constant temperature at which a pure liquid changes into a gas is called
  • A. latent heat of vaporization
  • B. depression in freezing point
  • C. boiling point
  • D. melting point
  • Correct Answer: Option C

Liquids may become vapors

Liquids may become vapors
  • A. upon boiling only
  • B. without boiling
  • C. at a temperature below boiling point of a liquid
  • D. at a temperature above boiling point of a liquid
  • Correct Answer: Option C

A much slower process than boiling is

A much slower process than boiling is
  • A. melting
  • B. evaporation
  • C. curdling
  • D. sublimation
  • Correct Answer: Option B

Data loggers are helpful in

Data loggers are helpful in
  • A. plotting a heating curve
  • B. plotting a cooling curve
  • C. plotting a condensation curve
  • D. Both A and B
  • Correct Answer: Option D

Fixed volumes is a characteristic of

Fixed volumes is a characteristic of
  • A. liquids
  • B. solids
  • C. gases
  • D. Both A and B
  • Correct Answer: Option D