Physical and Chemical Changes Multiple Choice Questions and Answers 14 PDF Book Download

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MCQ on Physical and Chemical Changes Worksheets 14 PDF Book Download

MCQ: When solids are heated, they

  1. expand more than liquids
  2. expand more than gases but less than liquids
  3. expand more than liquids but less than gases
  4. expand less than both liquids and gases

D

MCQ: Change of shape of liquid according to shape of container is due to

  1. space between particles
  2. collision of particles
  3. movement of particles
  4. force of attraction between particles

A

MCQ: Melting point of 'sulphur' is

  1. 113 °C
  2. 311 °C
  3. both
  4. none

B

MCQ: To separate molecules of ethene dichloride, compound is

  1. heated lightly
  2. heated gently
  3. heated strongly
  4. heated for a long time

C

MCQ: For security and military purpose, ammonia is used in

  1. explosives
  2. bullets
  3. flash bangs
  4. tear gas shells

A