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30 volume hydrogen peroxide means...

30 volume hydrogen peroxide means

A

30% `H_2O_2` by volume

B

30 g of `H_2O_2` solution contains 1g of `H_2O-2`

C

1` cm^3`of solution liberates `30cm^3`of dioxygen gas at S.T.P

D

`30cm^3` of the solution contains one mole of `H_2O_2`

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(b)
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