Grade 7 English MCQs

Physical and Chemical Changes Multiple Choice Questions Test 31 Tests pdf Download

Practice science test 31 on physical and chemical changes MCQs, grade 7 physical changes multiple choice questions and answers. Physical changes revision test has science worksheets, answer key with choices as freezing, melting, boiling and condensing of multiple choice questions (MCQ) with physical changes quiz as when state of matter is changed from solid to liquid, we call it for competitive exam prep. Free science study guide to learn physical changes quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz pdf Download Worksheets 31

MCQ. When state of matter is changed from solid to liquid, we call it

  1. melting
  2. freezing
  3. boiling
  4. condensing

A

MCQ. Name of inventor who invented plastic is

  1. John Dalton
  2. John Green
  3. Albert Einstein
  4. John Hyatt

D

MCQ. Plastics are

  1. nature-made
  2. self-made
  3. man-made
  4. ion-made

C

MCQ. Reaction of magnesium with air is

  1. Exothermic reaction
  2. Endothermic reaction
  3. Reversible reaction
  4. Substitution reaction

A

MCQ. Color of solid Sulphur is

  1. green
  2. brown
  3. white
  4. yellow

D