Physical and Chemical Changes Multiple Choice Questions 17 PDF Download

Learn physical and chemical changes MCQs, grade 7 online science test 17, reversible reaction multiple choice questions and answers. Reversible reaction revision test has science worksheets, helping answer key with choices as dual side process, dual side reaction, reversible reaction and reversible process of multiple choice questions (MCQ) with reversible reaction quiz as a reaction in which liquid freezes and its solid form changes into liquid at same temperature, is called for competitive exam prep, viva interview questions. Free science study guide to practice reversible reaction quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz PDF Download Worksheets 17

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. The 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. The varnish which was originally developed for coating the spars of sailing ships is called

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

B