Question

diff between soft and hard water

Answer 1

in hard water there are slats like sodium chloride and sulphates of magnesium and Calcium
In soft water these substance are absence

Answer 2

The water which contains  salts of magnesium and calcium is called hard water

 hard water

i) permanent-water that contains chlorides or sulphides salts of calcium and magnesium

ii)temperory-water that contains carbonate and sulphate salts of calcium and magnesium

soft water- water that does not contains any salts.Distilled water is the softest water