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2016-03-19T22:08:32+05:30

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CaHCO3 as only calcium and magnesium salts make water hard
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You're right! Are you in 10th?
yes
plzz mark as best if it helped
Where do you study?
cbse maharashtra
2016-03-19T22:13:14+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The appropriate answer is option a CaHCO3
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