A) \[30\,\,c{{m}^{3}}\]
B) \[45\,\,c{{m}^{3}}\]
C) \[20\,\,c{{m}^{3}}\]
D) \[50\,\,c{{m}^{3}}\]
Correct Answer: C
Solution :
\[{{N}_{1}}{{V}_{1}}={{N}_{2}}{{V}_{2}}\] or \[{{V}_{1}}\times 0.6=30\times 0.4\] \[\therefore \] \[V=\frac{30\times 0.4}{0.6}\] \[=20\,\,c{{m}^{3}}\]
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