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    Question

    The crystallisation technique is better than the simple evaporation technique and:

    1. "crystalisation" is a process that separates a pure solid in the form of its crystals from a solution

    2. it is applied for purification of salt that we get from sea water

    3. it is applied for separation of crystals of alum from impure samples

    Select the correct answer using the code given below.

    A 1, 2 and 3 Correct Answer Incorrect Answer
    B 1 only Correct Answer Incorrect Answer
    C 2 only Correct Answer Incorrect Answer
    D 3 only Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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