Question

Which of the following salts can produce hardness of water A. Zno3
B. Cacl2
C. Mgso4
D. Both b and c

Answer 1

$\mathfrak{answer}$

D)both b and c

The salts can produce hardness of water are calcium and magnesium.

$\it\mathbb\purple{hope \: it \: helps \: you}$

Answer 2

Answer:

Answer:-

(D) both b and c...

because salt can produce hardness of water...

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