Chemical Changes MCQs Quiz Worksheet PDF Download

Learn chemical changes MCQs, science test for online course learning and test prep to practice. Physical and chemical changes quiz questions has multiple choice questions (MCQ), chemical changes test to learn for grade 7 science experiments preparation.

Science practice test MCQ on respiration is a with options physical process, chemical process, biological process and temporary process problem solving skills for competitive exam, viva prep, interview questions with answer key. Free science revision notes to learn chemical changes quiz with MCQs to find questions answers based online learning tests.

MCQs on Chemical Changes Quiz PDF Download

MCQ. Respiration is a

  1. physical process
  2. chemical process
  3. biological process
  4. temporary process

B

MCQ. During chemical reaction, energy is

  1. taken in
  2. given out
  3. given out or taken in
  4. transferred

C

MCQ. In chemical reactions, energy is absorbed or released in form of

  1. sound
  2. light
  3. electricity
  4. heat

D

MCQ. Chemical reactions are

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

B

MCQ. One or more new substances are formed due to

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

B