Question

what are types of hardness how it is removed​

Answer 1

Answer:

by idioglossia dodo I hope it helps

Answer 2

Answer:

There are two types of hardness. They are :-

1. permanent hardness

2. temporary hardness

Explanation:

Temporary hardness can be removed just by treating the hard water with lime water or by boiling it.

similarly,

Permanent hardness of water can be easily removed by treating the hard water with washing soda or by permutit process.

Hope it helps!