Question

Name the Salts which cause hardness of water.

Answer 1

magnesium and calcium salts cause hardness in water
calcium chloride and magnesium chloride cause permanent hardness
calcium carbonates and magnesium carbonates causes temporary hardness

Answer 2

Answer:

Calcium and Magnesium salts causes the hardness of the water.

Explanation:

Water contains calcium and magnesium salts that are basically as chlorides, bicarbonates, and sulfates. These type of salts causes the temporary hardness of water and that is removed by heating the water. This softens the carbonates in the water. These salts do not cause the harm to health and also increase of hardness in the water causes less effectiveness.