Physical and Chemical Changes Multiple Choice Quiz Questions 24 pdf Download

Practice science quiz 24 on physical and chemical changes MCQs, grade 7 physical changes multiple choice questions. Free physical changes guide has science worksheet with answering options 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 exam prep. Study to learn physical changes quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes - Quiz 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