The name of the salt used to remove permanent hardness of water is
Acids, Bases and Salts (10)The name of the salt used to remove permanent hardness of water is:
- Sodium hydrogen carbonate (NaHCO3)
- Sodium chloride (NaCl)
- Sodium carbonate decahydrate (Na2CO3.10H2O)
- Calcium sulphate hemihydrate (CaSO4. $\frac{1}{2}$H2O)
Answer
(C) Sodium carbonate decahydrate (Na2CO3.10H2O)
Exam Year:
2023
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