Permanent Hardness Of Water May Be Removed By The Addition Of? | Past MCQs .PK

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Permanent hardness of water may be removed by the addition of?

Posted on April 24, 2021 by Rana Tahir

A. Sodium Carbonate
B. Bleaching powder
C. Potassium Permanganate
D. Chlorine

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Permanent hardness of water may be removed by the addition of?

Posted on April 16, 2021 by Rana Tahir

A. Sodium Carbonate
B. Alum
C. Potassium Carbonate
D. Lime