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The maximum number of molecules is prese...

The maximum number of molecules is present in

A

15 L of `H_(2)` gas at STP

B

5 L of `N_(2)` gas at STP

C

0.5 g of `H_(2)` gas

D

10 g of `O_(2)` gas

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The correct Answer is:
A
15 L of `H_(2)` gas at STP
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