Physical and Chemical Changes Multiple Choice Questions and Answers 30 PDF Book Download

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MCQ on Physical and Chemical Changes Worksheets 30 PDF Book Download

MCQ: A substance which is burned to produce heat and light is known as

  1. fuel
  2. alcohol
  3. acid
  4. alkane

A

MCQ: A change of state from one form to other is a

  1. physical change
  2. chemical change
  3. biological change
  4. state variation

A

MCQ: Plastic industry was started when a chemist made a

  1. black coating of plastic
  2. bakelite
  3. solid kerosene plastic
  4. plastic with cellulose

B

MCQ: Physical changes are

  1. reversible
  2. irreversible
  3. permanent
  4. temporary

A

MCQ: Reactions of 'exothermic' are

  1. condensation reactions
  2. endothermic reactions
  3. reversible reactions
  4. substitution reactions

B