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Standard X
Chemistry
Cleansing Action of Soap
Hardness of w...
Question
Hardness of water is due to the presence of salts of
A
Potassium
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B
Chlorine
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C
Magnesium
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D
Argon
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Solution
The correct option is
C
Magnesium
Hardness of water is due to the presence of salts of calcium and magnesium.
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