Science, asked by rishilaugh, 1 year ago

permanent hardness of water is due to the presence of

Answers

Answered by Anonymous

1

its due to presence of the following when water is not boiled:-1)nitrates..2)calcim..3)magnesium..4)chlorieds....

Answered by NoorulMubeena

2

1)nitrates
2)calcium
3)magnesium
4)chlorids.etc,.

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