Science, asked by yad9ub7ersananni, 1 year ago

name a salt that makes water hard of the following {a} CaHCO3 {B}potassium chloride {c} NaCO3 {d} sodium bicarbonate

Answers

Answered by mafty

7

CaHCO3 as only calcium and magnesium salts make water hard

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Answered by choky72

3

the appropriate answer is option a CaHCO3

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