Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry Some Basic Concepts of Chemistry Mole Concept
One mole of oxygen at STP is equal to:
1
6.022 × 1023molecules of oxygen
2
6.022 × 1023atoms of oxygen
3
16g of oxygen
4
More than one of the above
5
None of the above