Question

write a chemical name and chemical formual of the salt used to remove petmanent hardness of water​

Answer 1

Explanation:

Salt of sodium which is used to remove permanent hardness of water is sodium carbonate. ita formula is Na2CO3.

Answer 2

Answer:

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Explanation:

Salt of sodium which is used to remove permanent hardness of water is sodium carbonate. ita formula is Na2CO3.