Physical and Chemical Changes Multiple Choice Questions 24 PDF Download

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

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

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


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

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


MCQ. One or more new substances are formed due to

  1. physical change
  2. chemical change
  3. biological change
  4. state variation


MCQ. The 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


MCQ. The 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