Grade 7 English MCQs

Physical and Chemical Changes Multiple Choice Questions Test 20 Tests pdf Download

Practice science test 20 on physical and chemical changes MCQs, grade 7 polyvinyl chloride multiple choice questions and answers. Polyvinyl chloride revision test has science worksheets, answer key with choices as 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 the gases needed to manufacture pvc are for competitive exam prep. Free science study guide to learn polyvinyl chloride quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz pdf Download Worksheets 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

B

MCQ. Water melts and freezes at

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

C

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

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