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What is permanent hardness

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What is permanent hardness

    • Posted by Uttam Oraon 6 years, 9 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Niharika Srivastav 6 years, 9 months ago

    Permanent hardness of water is due to the presence of soluble chlorides and sulphates of Ca & Mg. It can't be removed by boiling. It is also called non-carbonate hardness.

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