1.

100 cm^(3) of a given sample of H_(2)O_(2) gives 1000 cm^(3) of O_(2) at S.T.P. The given sample is

Answer»

10 VOLUME `H_(2)O_(2)`
90% of `H_(2)O_(2)`
10% of `H_(2)O_(2)`
100 volume `H_(2)O_(2)`

Solution :`underset("100 ML")(2H_(2)O_(2))rarr 2H_(2)O+underset("1000 mL")(O_(2))`
or 1mL of `H_(2)O_(2)` will give 10 mL of `O_(2)` of STP.
Thus its volume strengthis 10 volume.


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