Physical and Chemical Changes Multiple Choice Quiz Questions 20 pdf Download

Practice science quiz 20 on physical and chemical changes MCQs, grade 7 polyvinyl chloride multiple choice questions. Free polyvinyl chloride guide has science worksheet with answering options ethene and chlorine, methane and chlorine, methane, ethene and chlorine and propane, oxygen and chlorine of multiple choice questions (MCQ) with polyvinyl chloride quiz as gases needed to manufacture pvc are for exam prep. Study to learn polyvinyl chloride quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes - Quiz 20

MCQ. Gases needed to manufacture PVC are

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


MCQ. Water melts and freezes at

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


MCQ. Forces of attraction between particles of gases are

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


MCQ. Bakelite is used to

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


MCQ. Speed of particles is fastest in

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