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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
Large crystals of pure substances can be formed from their solutions during $........:$
  • ✓
    Crystallization
  • B
    Evaporation
  • C
    Expansion
  • D
    Contraction
✓

Answer

Correct option: A.
Crystallization
Large crystals of pure substances can be formed from their solutions during crystallization.
For example, when hot acidic copper sulfate solution is cooled gradually, the crystals of copper sulfate are obtained.

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