Chemistry, asked by Ruhisingh37, 25 days ago

What cause permanent hardness of water​

Answers

Answered by jiwoo2341
1

Answer:

Permanent hardness of water is caused when chlorides and sulfides of calcium and magnesium are dissolved in water. It is known as permanent hardness because it cannot be removed by boiling. To remove permanent hardness the hard water is treated with washing soda.

Answered by anushkabhawsar3
1

Answer:

I am fine sis what about you ?

Permanent hardness of water is caused when chlorides and sulfides of calcium and magnesium are dissolved in water. It is known as permanent hardness because it cannot be removed by boiling. To remove permanent hardness the hard water is treated with washing soda.

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