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

Physical and chemical changes multiple choice questions, learn grade 7 science online test prep 30 for elementary school online courses, distance learning for exam prep. Practice burning fuels multiple choice questions (MCQs), physical and chemical changes quiz questions and answers for science class for science help for online contests.

Study elementary school science multiple choice questions (MCQs): substance which is burned to produce heat and light is known as, for free online courses with choices alcohol, fuel, acid, and alkane, burning fuels quiz with online free learning portal for viva voce, practice tests and online competitive exam preparation. Free science study guide for online learning burning fuels quiz questions to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Worksheets 30 Quiz PDF Download

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

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


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

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


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


MCQ: Physical changes are

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


MCQ: Reactions of 'exothermic' are

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