Q. Permanent hardness of water can be removed by adding - Study24x7
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3608 followers study24x7 06 Sep 2019 11:20 AM study24x7 study24x7

Q. Permanent hardness of water can be removed by adding

A

Potassium Permanganate

B

Chlorine

C

Bleaching Powder

D

Washing Soda

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