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ICSE Class 8 Chemistry Question 7 of 14

Elements, Compounds and Mixtures — Question 10

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10
Question

Question 6a

Choose the most appropriate answer from the options given below:

A mixture of sand and ammonium chloride can be separated by

  1. filtration
  2. distillation
  3. sublimation
  4. crystallization
Answer

sublimation

Reason — Sublimation method is used when one of the component is sublime in nature. Ammonium chloride is sublime in nature so on heating, it directly changes into vapour leaving behind the sand.