Physical and Chemical Changes Multiple Choice Questions and Answers 17 PDF Book Download

Physical and chemical changes MCQs, physical and chemical changes quiz answers 17 to learn elementary education online courses. Magnesium and oxygen multiple choice questions (MCQs), physical and chemical changes quiz questions and answers for for online elementary education degree. Reversible reaction, endothermic reactions, polyethene, making plastics test for elementary school teaching certification.

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MCQ on Physical and Chemical Changes Worksheets 17 PDF Book Download

MCQ: A reaction in which liquid freezes and its solid form changes into liquid at same temperature, is called

  1. dual side reaction
  2. dual side process
  3. reversible reaction
  4. reversible process

C

MCQ: Cooking food is an example of

  1. condensation reaction
  2. exothermic reaction
  3. reversible reaction
  4. endothermic reaction

D

MCQ: Freezing point of water is

  1. 0 °C
  2. 1 °C
  3. 100 °C
  4. 50 °C

A

MCQ: Polyethene is

  1. good conductor of heat
  2. good conductor of electricity
  3. poor insulator of electricity
  4. good insulator of electricity

D

MCQ: Varnish which was originally developed for coating spars of sailing ships is called

  1. spar varnish
  2. brown varnish
  3. yellow varnish
  4. blue varnish

B