Grade 7 English MCQs

Physical and Chemical Changes Multiple Choice Questions Test 7 Tests pdf Download

Practice science test 7 on physical and chemical changes MCQs, grade 7 polyvinyl chloride multiple choice questions and answers. Polyvinyl chloride revision test has science worksheets, answer key with choices as further heated, condensed, treated with ammonia and joined to form a chain of multiple choice questions (MCQ) with polyvinyl chloride quiz as to make pvc, molecules of vinyl chloride are for competitive exam prep. Free science study guide to learn polyvinyl chloride quiz 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. joined to form a chain

D

MCQ. When particles cool down, change in energy is

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

B

MCQ. Color of magnesium oxide is

  1. White
  2. Blue
  3. Grey
  4. Pink

A

MCQ. Ammonia fertilizers are made by two components, those 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