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Permanent hardness is due to solubleando...

Permanent hardness is due to soluble_____________and____________of calcium and magnesium.

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Temporary hardness of water is due to _________ salts of calcium and magnesium.

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Knowledge Check

  • Permanent hardness of water is not due to the "_______"

    A
    `CaCl_(2)`
    B
    `MgSO_(4)`
    C
    `MgCl_(2)`
    D
    `BaCl_(2)`

  • Permanent hardness in water due to pressance of :

    A
    `Ca^(+),Mg^(+)`
    B
    `CaCl_(2),MgCl_(2)`
    C
    `CaCO_(3),MgCO_(3)`
    D
    All

  • Permanent hardness is due to presence of soluble salts of magnesium and calcium in the form of chlorides and sulphates in water. Permanent hardness of water can be removed by

    A
    boiling
    B
    Clark's method
    C
    treatment with sodium carbonate
    D
    treatment with 2-ethylanthraquinol in the presence of air.

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    Estimation of calcium and magnesium is done by

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