In which of the following reactions, application of vacuum will help ?

1.	In which of the following reactions, application of vacuum will help ?
A.	Number of gas molecules in the product side is more than that on the reactant side.
B.	Number of gas molecules in the reactant side is more than that on the product side.
C.	Number of gas molecules are the same on both the reactant & the product side.
D.	None of the above.
Answer» E.

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In which of the following reactions, application of vacuum will help ?

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