6th Class Science Water Question Bank Water

  • question_answer
    Temporary hardness of water is due to the presence of

    A)  calcium bicarbonate.

    B)  sodium carbonate.

    C)  potassium carbonate.

    D)  magnesium hydride.

    Correct Answer: A

    Solution :

    The temporary hardness of water is due to the presence of bicarbonates of calcium and magnesium dissolved in it.


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