JEE Main & Advanced Chemistry Hydrogen & Its Compounds Question Bank Water or hydride of oxygen

  • question_answer Which of the following is not true

    A) Hardness of water depends on its behaviour towards soap

    B) The temporary hardness is due to the presence of Ca and Mg bicarbonates

    C) Permanent hardness is due to the presence of soluble Ca and Mg sulphates, chlorides and nitrates

    D) Permanent hardness can be removed by boiling the water

    Correct Answer: D

    Solution :

    Permanent hardness cannot be removed by boiling of water but temporary hardness can be removed.

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