20mL of sample of `H_(2)O_(2)` gives 400mL of oxygen measured at NTP. The sample should be labelled as:

1 ml of H_(2)O_(2) solution given 10 ml of O_(2) at NTP. It is :

1 ml of H_(2)O_(2) solution given 10 ml of O_(2) at NTP. It is :

100 ml of a sample of H_(2)O_(2) by dissociation yielded 560 ml O_(2) at NTP. The molarity and volume strength of the sample of H_(2)O_(2) is respectively

The weight of 112 mL of oxygen at NTP is

In a given sample of H_(2)O_(2) each 100 mL of solution contains 68 mg of H_(2)O_(2) . The molarity of the solution is

0.2 g of a sample of H_(2)O_(2) required 10 mL of 1 N KMnO_(4) in a titration in the presence of H_(2)SO_(4) Purity of H_(2)O_(2) is :

0.2 g of a sample of H_(2)O_(2) required 10 mL of 1 N KMnO_(4) in a titration in the presence of H_(2)SO_(4) Purity of H_(2)O_(2) is :