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

Physical and chemical changes MCQs, physical and chemical changes quiz answers 30 to learn elementary education online courses. Practice iron and sulphur multiple choice questions (MCQs), physical and chemical changes quiz questions and answers for science class. Free e-learning tutorial on burning fuels, physical changes, making plastics, chemical changes, endothermic reactions test prep for common core history of science grade 7.

Study elementary school science multiple choice questions (MCQs): burning fuels, physical changes, making plastics, chemical changes, endothermic reactions, for online elementary education degree programs with options chemical change, physical change, biological change, and state variation, iron and sulphur quiz with science practice tests starting from what is science to all topics of class 7 science. Free science study guide for online learning iron and sulphur quiz questions to attempt multiple choice questions based test.

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


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