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For preparing H(2)O(2) in the laboratory...

For preparing `H_(2)O_(2)` in the laboratory

A

`MnO_(2)` is added to dilute cold `H_(2)SO_(4)`

B

`BaO_(2)` is added to `CO_(2)` vubbling through cold water

C

`pbO_(2)` is added to an acidified solution of `KMnO_(4)`

D

`Na_(2)O_(2)` is added to `CO_(2)` bubbling through cold water

Text Solution

Verified by Experts

The correct Answer is:
B
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