Physical and Chemical Changes Multiple Choice Questions and Answers 20 PDF Download

Learn physical and chemical changes multiple choice questions, grade 7 science online test 20 for elementary school degree online courses, distance learning for exam prep. Practice polyvinyl chloride multiple choice questions (MCQs), physical and chemical changes quiz questions and answers for science class for 7th grade science word problems with solutions.

Study elementary school science multiple choice questions (MCQs): gases that required to manufacture 'pvc' are, for free online courses with choices ethene and chlorine, methane and chlorine, methane, ethene and chlorine, and propane, oxygen and chlorine, polyvinyl chloride quiz to improve study tips by practicing old exams an with interactive trivia questions and answers. Free science study guide for online learning polyvinyl chloride quiz questions to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Worksheets 20 Quiz PDF Download

MCQ: Gases that required to manufacture 'PVC' are

  1. methane and chlorine
  2. ethene and chlorine
  3. methane, ethene and chlorine
  4. propane, oxygen and chlorine

B

MCQ: Water melts and freezes at

  1. different temperatures
  2. different pressure
  3. same temperature
  4. same pressure

C

MCQ: Force of attraction between particles of gases is

  1. weaker than liquids but stronger than solids
  2. weaker than liquids and solids both
  3. stronger than solids but weaker than gases
  4. stronger than solids and liquids both

B

MCQ: Bakelite' is used to

  1. insulate heater handles
  2. increase heat conductivity
  3. increase electrical conductivity
  4. insulate electrical equipment

D

MCQ: Speed of particles is fastest in

  1. solids
  2. liquids
  3. gases
  4. fluids

C