Physical and Chemical Changes Multiple Choice Questions 24 PDF Download

Learn physical and chemical changes MCQs, grade 7 science test 24 for learning online courses and test prep, physical changes multiple choice questions and answers. Physical changes revision test includes science worksheets to learn for 7th grade science test.

Science multiple choice questions (MCQ) on when liquid is cooled down, it changes into solid, this process is known as with choices freezing, melting, condensation and sublimation, physical changes quiz for competitive exam prep, summative and formative assessment 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 24

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

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

B

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