Question

What is hardness of water because of? Discuss the types of hardness. ​

Answer 1

hey there! here is ur answer! Hope it helps!

Hardness of water is due to the presence of calcium or magnesium in it.

There are two types of hard water;

TEMPORARY: it is due to the presence of bicarbonate ion HCO3(-)ion. It can be removed by boiling which removes the CO2 from it .

PERMANENT: it is due to the presence of magnesium and calcium- nitrates,sulphates and chlorides.

It can be treated using sodium carbonate(Na2CO3).

Answer 2

There are two types of water hardness, temporary and permanent. Permanent hardness is due to calcium and magnesium nitrates, sulphates, and chlorides etc. This type of hardness cannot be eliminated by boiling.

۰۪۫M۪۫۰۰۪۫a۪۫۰۰۪۫r۪۫۰۰۪۫k۪۫۰ ۰۪۫a۪۫۰۰۪۫s۪۫۰ ۰۪۫b۪۫۰۰۪۫r۪۫۰۰۪۫a۪۫۰۰۪۫i۪۫۰۰۪۫n۪۫۰۰۪۫l۪۫۰۰۪۫i۪۫۰۰۪۫e۪۫۰۰۪۫s۪۫۰۰۪۫t۪۫۰