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  3. 7th Class
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  5. Physical and Chemical Changes

7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    Process by which salt is obtained by the evaporation of sea water.

    A) Sublimation                  

    B) Condensation

    C) Galvanisation    

    D) Crystallisation

    E) None of these

    Correct Answer: D

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