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Question
What is meant by hard water?
What is meant by hard water?
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Solution
Dear Student,
Water containing calcium and magnesium salts in the form of hydrogen carbonate, chloride, and sulphate is called hard water.
It does not give lather with soap so it is not effective in washing.
Dear Student,
Water containing calcium and magnesium salts in the form of hydrogen carbonate, chloride, and sulphate is called hard water.
It does not give lather with soap so it is not effective in washing.
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