Grade 7 English MCQs

Physical and Chemical Changes Multiple Choice Questions Test 24 Tests pdf Download

Practice science test 24 on physical and chemical changes MCQs, grade 7 physical changes multiple choice questions and answers. Physical changes revision test has science worksheets, answer key with choices as freezing, melting, condensation and sublimation of multiple choice questions (MCQ) with physical changes quiz as when liquid is cooled down, it changes to solid, this process is known as for competitive exam prep. 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 24

MCQ. When liquid is cooled down, it changes to solid, this process is known as

  1. melting
  2. freezing
  3. condensation
  4. sublimation

B

MCQ. To make temperature for formation of ammonia high, substance used is

  1. steel
  2. iron
  3. aluminum
  4. copper

B

MCQ. One or more new substances are formed due to

  1. Physical change
  2. Chemical change
  3. Biological change
  4. State variation

B

MCQ. First thing that happens in a chemical reaction is that

  1. a new substance is formed
  2. a substance is reversed to its components
  3. energy is given out
  4. atoms remain same

A

MCQ. Density of liquids is

  1. lower than solids but higher than gases
  2. lower than solids and gases both
  3. higher than solids and gases both
  4. higher than solids but lower than gases

A