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

Physical and chemical changes multiple choice questions (MCQs), physical and chemical changes quiz answers 7 to learn elementary school science courses online. Making plastics MCQs, physical and chemical changes quiz questions and answers for online elementary education degree. Polyvinyl chloride, physical changes, magnesium and oxygen, ammonia and fertilizers, chemical changes test for elementary school teaching certification.

Learn elementary school science multiple choice questions (MCQs): Polyvinyl chloride, physical changes, magnesium and oxygen, ammonia and fertilizers, chemical changes, with choices from kinetic to potential, from kinetic to heat, from potential to kinetic, and from thermal to potential for online elementary education degree. Free science study guide for online learning making plastics quiz questions to attempt multiple choice questions based test.

MCQ on Physical and Chemical Changes Worksheets 7 PDF Book 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