Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Some Basic Concepts of Chemistry Mole Concept
The maximum number of molecules is present in :
1
15 litre of H2 gas at STP
2
5 litre N2 gas at STP
3
0.5 g of H2 gas
4
More than one of the above
5
None of the above