Physical and Chemical Changes Multiple Choice Questions 30 PDF Download

Practice physical and chemical changes MCQs, grade 7 online science test 30, burning fuels multiple choice questions and answers. Burning fuels revision test has science worksheets, helping answer key with choices as alcohol, fuel, acid and alkane of multiple choice questions (MCQ) with burning fuels quiz as a substance which is burned to produce heat and light is known as for competitive exam prep, viva interview questions. Free science study guide to practice burning fuels quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz PDF Download Worksheets 30

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. The reactions of 'exothermic' are

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

B