A) \[250\text{ }c{{m}^{3}}\]
B) \[50\text{ }c{{m}^{3}}\]
C) \[100\text{ }c{{m}^{3}}\]
D) \[125\text{ }c{{m}^{3}}\]
Correct Answer: A
Solution :
20 volume \[{{H}_{2}}{{O}_{2}}\] means that 1 ml of this\[{{H}_{2}}{{O}_{2}}\] gives 20 ml oxygen on decomposition at S.T.P. Hence \[5000\text{ }c{{m}^{3}}\text{ }{{O}_{2}}\] will be obtained by \[=\frac{5000}{20}\] \[=250\,c{{m}^{3}}\]
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