Which element is used to remove the permanent hardness of water?
Remove permanent hardness of water – This question was asked in:Everyday Science A. CalciumB. Washing sodaC. MagnesiumD. Chlorine Answer Option B: Washing soda (Na2CO3) View all Everyday Science MCQs Detailed Solution – Remove permanent hardness of water Washing soda (Na2CO3) is used to remove the permanent hardness of water. MOST READ MCQs The sum of … Read more