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Matter in Our Surroundings — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings1 Mark
Question
The conversion of a solid into vapours without passing through the liquid state is called:
  1. Vaporization.
  2. Fusion.
  3. Sublimation.
  4. Freezing.
✓

Answer

  1. Sublimation.

Explanation:

The transformation of a solid directly into vapour, on heating, is known as sublimation.

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