Physical and Chemical Changes Multiple Choice Questions 20 PDF Download

Practice physical and chemical changes MCQs, grade 7 online science test 20, polyvinyl chloride multiple choice questions and answers. Polyvinyl chloride revision test has science worksheets, helping 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 that required to manufacture 'pvc' are for competitive exam prep, viva interview questions. Free science study guide to practice polyvinyl chloride quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz PDF Download Worksheets 20

MCQ. The 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. The water melts and freezes at

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

C

MCQ. The 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. The speed of particles is fastest in

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

C