Permanent hardness of water is due to the presence of calcium & magnesium?

Bi-carbonates
Sulphates & chlorides
Carbonate
None of these

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 2

4 views Answered 2022-09-01 13:21

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