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How can we remove the permanent …

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How can we remove the permanent hardness of water?

Posted by Charvi Sangwan 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Kunal Arora 5 years, 3 months ago

By adding Wasing soda to it we can remove the Hardness of the water. It is mainly used in Laundries.

Sanika Walimbe 5 years, 3 months ago

By passing it through washing soda. This is because washing soda is known to remove the permanent hardness of water

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