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It is customary to indicate the strength...

It is customary to indicate the strength of a sample of `H_(2)O_(2)` under specification of volume. The strength of `H_(2)O_(2)` solution can also be in %(w/v) or molarity or normality,"10 Vol `H_(2)O_(2)` solution means I ml of`H_(2)O_(2)` solution decomposes to give 10 ml of `O_(2)` gas at STP. 1 lit of `H_(2)O_(2)` solution decomposes to give 10 lit of `O_(2)` gas at STR.
''30 vol hydrogen peroxide means

A

`30% H_(2)O_(2)` solution

B

`30 cm^(2)` of the solutio contains 1 g of `H_(2)O_(2)`

C

`1 cm^(3)` of the solution liberates `30 cm^(3)` of `O_(2)` at STP

D

`30 cm^(3)` of the solution contain 1 mole of `H_(2)O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
30 vol of `H_(2)O_(2)` solution means, 1 ml of this solution produces 30 ml of `O_(2)` at STP.
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