Social Sciences, asked by vanakamchennai, 5 months ago

Write the chemical name and chemical formula of the salt used to remove

permanent hardness of water.​

Answers

Answered by Anonymous
4

Answer:

please mark me as brainlist

Explanation:

hope it helps you to understand

Attachments:
Answered by Anonymous
6

Permanent hardness of water can be removed by the following methods: Method # 1. Lime-Soda Process: In this method lime [Ca (OH) 2] and sodium carbonate [Na 2 CO 3] (or soda ash) are used to remove permanent hardness from water.

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