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Ground water is hard in the region of...

Ground water is hard in the region of

A

Coal depositss

B

Petroleum deposits

C

Limestone deposits

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Limestone deposits [`CO_2` of atmosphere dissolves in rain forming `H_2CO_3` which reacts with `CaCO_3` and `MgCO_3` making water hard]
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