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carbonate hardness

Hard And Soft water

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 8 Comments

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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