Physical and Chemical Changes Multiple Choice Questions and Answers 7 PDF Download

Learn physical and chemical changes multiple choice questions, grade 7 science online test 7 for elementary school degree online courses, distance learning for exam prep. Practice polyvinyl chloride multiple choice questions (MCQs), physical and chemical changes quiz questions and answers for science class for common core history of science grade 7.

Study elementary school science multiple choice questions (MCQs): to make pvc, molecules of vinyl chloride are, for free online courses with choices further heated, condensed, treated with ammonia, and gathered to form a chain, polyvinyl chloride quiz for online teacher certification preparation with online training questions and answers. Free science study guide for online learning polyvinyl chloride quiz questions to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Worksheets 7 Quiz PDF Download

MCQ: To make PVC, molecules of vinyl chloride are

  1. condensed
  2. further heated
  3. treated with ammonia
  4. gathered to form a chain

D

MCQ: When particles cool down, energy changes

  1. from kinetic to heat
  2. from kinetic to potential
  3. from potential to kinetic
  4. from thermal to potential

B

MCQ: Color of magnesium oxide is

  1. white
  2. blue
  3. grey
  4. pink

A

MCQ: Ammonia fertilizers are made by two components, they are

  1. ammonia and hydrogen
  2. ammonia and nitric acid
  3. nitrogen and hydrogen
  4. nitrogen and water

B

MCQ: During chemical reaction, energy is

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

C