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carbonate hardness

Hard and Soft water

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Permutit process

Depending upon its behaviour towards soap solution w.r.t. lather formation, water may be classified as : soft water and hard water. Soft water: Water that produces lather with soap readily is called soft water. For ex: Rain water, distilled water, demineralised water. Hard water:  Water which does not produce lather with soap readily is called hard water. For ex: … [Read more...] about Hard and Soft water

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