Which of the following is present In hard water?

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RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

Which of the following is present In hard water?

ACalcium

B Aluminum

CSodium

DChIorine

Nithin K ? Apr 19 '2018 at 22:47

Correct Answer: A [Calcium]

Explanation:

The hard water consists of Calcium and Magnesiurn (lnsoluble) salts.

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Correct Answer: A [Calcium] Explanation: The hard water consists of Calcium and Magnesiurn (lnsoluble) salts. Nithin K ? answered Apr 19 '2018 at 22:47 All Comments

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