Physical and Chemical Changes Multiple Choice Quiz Questions 31 pdf Download

Practice science quiz 31 on physical and chemical changes MCQs, grade 7 physical changes multiple choice questions. Free physical changes guide has science worksheet with answering options 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 exam prep. Study to learn physical changes quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes - Quiz 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