Physical and Chemical Changes Multiple Choice Questions 31 PDF Download

Learn physical and chemical changes MCQs, grade 7 science test 31 for online courses learning and test prep, physical changes multiple choice questions and answers. Physical changes revision test includes science worksheets to learn for 7th grade science homework help.

Science multiple choice questions (MCQ) on when state of matter is changed from solid to liquid, we call it with options freezing, melting, boiling and condensing, physical changes quiz for competitive exam prep, viva interview questions with answers key. 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