Chemistry, asked by kunalpanwar1234, 3 months ago

write the chemical name and chemical formula of the salt used to remove permanent hardness of water ?

Answers

Answered by preethjohny111

1

Answer:

na2co3

Explanation:

sodium carbonate

Answered by sanjayinetoro

1

Answer:

Washing soda and Calgon

Explanation:

Washing Soda - Na2CO3.10H20

Calgon- Na6O18P6

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