Question

2) Name the salts present in hard water​

Answer 1

Answer:

sodium chloride

Explanation:

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Answer 2

Answer:

Hard water, water that contains salts of calcium and magnesium principally as bicarbonates, chlorides, and sulfates. Ferrous iron may also be present; oxidized to the ferric form, it appears as a reddish brown stain on washed fabrics and enameled surfaces.