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Activated charcoal is prepared by :...

Activated charcoal is prepared by :

A

adding `Ba_(3)(PO_(4))_(2)` to charcoal

B

treatment with conc. `HNO_(3)`

C

heating charcoal with steam to make it more porous

D

adding silica to charcoal

Text Solution

Verified by Experts

The correct Answer is:
C
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