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Preeti Tripathi

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2 years ago
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15. Hardness of the water is commonly measured in terms of A.Calcium carbonate equivalents B.Calcium sulphate equivalents C.Magnesium carbonate equivalents D.Magnesium sulphate equivalents

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Abhishek Mishra

2 years ago

Answer: Option A Solution: Hardness of the water is commonly measured in terms of calcium carbonate equivalents.

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