which salt is used to remove permanent hardness of water?

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Question:

which salt is used to remove permanent hardness of water?

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Ahmed Ragab 2 years 2020-09-22T13:58:22+00:00 1 Answer 408 views 0

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    2020-09-22T13:59:11+00:00

    Answer:

    Sodium carbonate (Na2CO3) is used to remove permanent hardness of water.
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