Hardness of water is mainly due to the presence of

calcium hydroxide or magnesium hydroxide

calcium trioxocarbonate (IV) or calcium tetraoxosulphate (VI)

sodium hydroxide or magnesium hydroxide

calcium chloride or sodium chloride salts

Correct Option

5 years ago

Your explanation is contradicting ur answer

8 years ago

then what is the correct answer

6 months ago

the exp is that mg(OH) and ca(OH) are bases not salts

1 year ago

your explaining is showing A. is the correct answer

10 years ago

Calciumtrioxocarbonate(iv) Is Limestone And It Doesn't Cause Hardness Of Water

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