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Find the volume of oxygen gas liberated ...

Find the volume of oxygen gas liberated at STP. When 25ml of '30 volumes' `H_(2)O`_(2)` is completely decomposed.

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The correct Answer is:
750 ml of `O_(2)` at NTP.

According to denfinition,
1 ml of '30 volume ' `H_(2)O_(2)` given 30m, of `O_(2) ` at NTP
`therefore` 25 ml of '30 volume ' `H_(2)O_(2)` given `30xx52` ml of `O_(2)` at NTP =750 ml of `O_(2)` at NTP
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