Physical and Chemical Changes Multiple Choice Questions and Answers 31 pdf eBooks Download

Learn physical and chemical changes MCQs, grade 7 science test 31, 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, viva interview questions. Free science study guide to practice 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