Chemistry, asked by ALevelNJB6302, 1 year ago

Mention the ways to remove permanent hardness....

Answers

Answered by Anonymous
2
The permanent hardness cannot be removed by boiling, but can be removed by washing soda, or an ion exchange resin.
Answered by maheshwaranlupp0yaxy
4
Dissolved magnesium and calcium ions in water cause permanent hardness of water.

It can be removed by adding SODIUM CARBONATE DECA HYDRATE which is nothing but WASHING SODA with chemical formula Na2CO3.10H2O.



Hope it helps......
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- Mâhêshwáràñ.
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