Pure Substances and Mixtures MCQs Quiz Online PDF Download

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MCQs on Pure Substances and MixturesQuiz PDF Download

MCQ: Mixtures have

  1. a range of boiling points
  2. a range of melting points
  3. a lack of exact concentrations
  4. all of these

D

MCQ: Pure substances

  1. have fixed and exact boiling point
  2. have fixed and exact melting points
  3. form only one post on chromatogram
  4. all of these

D

MCQ: Oil and water is an example of

  1. miscible
  2. impure substances may also form the crystals
  3. filtrate
  4. suspension

B

MCQ: Fresh sea water is referred to as impure because

  1. it contains only oxygen
  2. it contains aquatic animals
  3. it contains aquatic plants
  4. it contains dissolved salts

D

MCQ: Liquids that mix together are called as

  1. mixtures
  2. miscible
  3. immiscible
  4. fraction

B