Phase Changes Energies MCQs Test Online PDF Download

Phase changes energies multiple choice questions (MCQs), phase changes energies test prep for online learning with college degree certificate eCourses. Learn liquids and solids multiple choice questions (MCQs), phase changes energies quiz questions and answers. Career test prep with properties of crystalline solids, classification of solids, vapor pressure, types of solids test for online school of chemistry courses distance learning.

Learn liquids and solids practice test MCQs: energy change is called as enthalpy change, when it occurs at, for free online courses with options varied pressure, constant volume, varied volume, constant pressure for online associates degree. Free skills assessment test is for online e-learning phase changes energies quiz questions for competitive assessment in chemistry major.

MCQ 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

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