Phase Changes Energies MCQs Quiz Online PDF Download

Learn phase changes energies MCQs, chemistry test for online courses learning and test prep to practice. Liquids and solids quiz has multiple choice questions (MCQ), phase changes energies quiz questions and answers to learn for GRE prep online tests.

College chemistry practice test MCQ on quantity of liquid, molar heat of vaporization needs is with options 1 mole, 5 mole, 8 mole and 10 mole problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning phase changes energies quiz with MCQs to practice test questions with answers.

MCQs on Phase Changes Energies Quiz PDF Download

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

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

A

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

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

D

MCQ. Phase changes are usually

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

A

MCQ. Enthalpy changes are usually

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

C

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

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

C