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Ikshita Bhatti

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  1. Asked: September 21, 2021In: Class 10 Science

    What are the causes of hardness of water?

    Ikshita Bhatti
    Added an answer on September 21, 2021 at 6:08 am

    Temporary hardness of water is due to the presence of calcium and magnesium bicarbonates in it. Permanent hardness of water is due to the presence of chlorides and sulphates of calcium and magnesium in it.

    Temporary hardness of water is due to the presence of calcium and magnesium bicarbonates in it. Permanent hardness of water is due to the presence of chlorides and sulphates of calcium and magnesium in it.

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  2. Asked: September 21, 2021In: Class 10 Science

    Explain why soap does not give lather with hard water easily.

    Ikshita Bhatti
    Added an answer on September 21, 2021 at 6:08 am

    Hard water contains calcium ions and magnesium ions. Soap does not give lather with hard water easily because it reacts with the calcium and magnesium ions present in hard water to form insoluble calcium and magnesium salts.

    Hard water contains calcium ions and magnesium ions. Soap does not give lather with hard water easily because it reacts with the calcium and magnesium ions present in hard water to form insoluble calcium and magnesium salts.

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