Permanent hardness of water due to sulphate of metals can... — Answer & Explanation | PrepBeePakistan

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MEDIUMENGLISHEveryday Science

Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?

Correct answer: A

Explanation

Zeolites are natural minerals used as ion-exchange resins. They can effectively remove excess sulphate ions causing permanent hardness.

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