Chemistry, asked by adityasingh789m, 8 months ago

what is hardness of water? how to reduce it?

Answers

Answered by MoazHussain

Explanation:

HARD WATER contains Magnesium and Calcium ions. Temporary Hardness can be removed by dissolving Calcium Hydroxide. While, Borax is usually used to reduce the alkalinity of soap solution rather than to soften water.

Answered by ritugiri26

Answer

Central water softening treatment usually involves lime (hydrated calcium oxide) or lime soda (lime plus sodium carbonate) softening and is commonly practised. These chemicals increase the precipitation of the calcium and magnesium carbonate, reducing the calcium hardness of the treated water.

Explanation:

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