Permanent hardness of water arises due to the presence of

1.	Permanent hardness of water arises due to the presence of
Answer» CHLORIDES and Sulphates of Ca & Mg Carbonates of Ca and Mg Bicarbonates of Ca and Mg Phosphates of Ca and Mg Solution :Permanent HARDNESS of WATER DUE to the PRESENCE of Chlorides & Sulphates of Ca & Mg

Discussion