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10L of hard water required 5.6g of lime ...

10L of hard water required 5.6g of lime for removing hardness. Hence temperorary hardness in ppm of `CaCO_(3)` is:

A

`A_(2)B_(2)`

B

AB

C

`A_(2)B`

D

`AB_(2)`

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The correct Answer is:
D
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