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Hardness of water is expressed as the nu...

Hardness of water is expressed as the number of parts by weight of present in 10 parts by weight of water

A

`CaCl_2`

B

`CaCO_3`

C

`MgCl_2`

D

`CaSO_4`

Text Solution

Verified by Experts

The correct Answer is:
B
`CaCO_3`
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