Physical and Chemical Changes Multiple Choice Questions 22 PDF Download

Learn physical and chemical changes MCQs, grade 7 online science test 22, making plastics multiple choice questions and answers. Making plastics revision test has science worksheets, helping answer key with choices as french inventor, british inventor, american inventor and spanish inventor of multiple choice questions (MCQ) with making plastics quiz as plastic was invented by for competitive exam prep, viva interview questions. Free science study guide to practice making plastics quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz PDF Download Worksheets 22

MCQ. Plastic was invented by

  1. British inventor
  2. French inventor
  3. American inventor
  4. Spanish inventor

C

MCQ. The compound which is formed by heating iron and sulphur, is known as

  1. iron sulfate
  2. sulphur ironide
  3. iron sulfite
  4. iron sulfide

D

MCQ. Photosynthesis' is a

  1. physical process
  2. chemical process
  3. biological process
  4. temporary process

B

MCQ. Particles are close together in

  1. solids
  2. fluids
  3. liquids
  4. gases

A

MCQ. No new substance is formed during

  1. photosynthesis
  2. respiration
  3. physical change
  4. chemical change

C