SATHEE: Hydrogen Ques 16

Hydrogen Ques 16

16. Which of the following groups of ions makes the water hard?

[1994]

(a) Sodium and bicarbonate

(b) Magnesium and chloride

(d) Ammonium and chloride.

Show Answer

Solution:

(b) Temporary hardness is due to presence of bicarbonates of calcium and magnesium and permanent hardness is due to the sulphates or chlorides of both of calcium and magnesium.

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Hydrogen

Hydrogen Ques 16

16. Which of the following groups of ions makes the water hard?

Solution:

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