Physical and Chemical Changes Multiple Choice Questions and Answers 31 PDF Book Download

Physical and chemical changes MCQs, physical and chemical changes quiz answers 31 to learn elementary education online courses. Polythene multiple choice questions (MCQs), physical and chemical changes quiz questions and answers for for online elementary education degree. Physical changes, making plastics, magnesium and oxygen, iron and sulphur test for elementary school teaching certification.

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MCQ on Physical and Chemical Changes Worksheets 31 PDF Book Download

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