Phase Changes Energies MCQs Quiz Online PDF Download

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MCQs on Phase Changes EnergiesQuiz PDF Download

MCQ: Quantity of liquid, Molar heat of vaporization needs is

  1. 1 mole
  2. 5 mole
  3. 8 mole
  4. 10 mole


MCQ: Energy change is called as enthalpy change, when it occurs at

  1. varied pressure
  2. constant volume
  3. varied volume
  4. constant pressure


MCQ: Phase changes are usually

  1. endothermic
  2. exothermic
  3. high energy
  4. high pressure


MCQ: Enthalpy changes are usually

  1. negative
  2. neutral
  3. positive
  4. without change


MCQ: When we measure molar heat of vaporization pressure taken is

  1. 5 atmosphere
  2. 3 atm
  3. 1 atm
  4. 9 atm