InterviewSolution
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InterviewSolution
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you are provided with hard water and soft water into separate test tube. what do you observe on adding he quantity of soap solution to reach sample of water and shaking them 10 times |
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Answer» Hard water forms lather with soap. Soft water does not form lather with soap. hard water contains calcium ions and magnesium ions or both when soap solution is added to it, it forms a in soluble substance called scum. In soft water the soap solution will form foam. |
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