Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Some Basic Concepts of Chemistry
One mole of oxygen gas at STP is equal to
i) 6.022 × 1023 molecules of oxygen
ii) 6.022 × 1023 atoms of oxygen
iii) 16 g of oxygen
iv) 32 g of oxygen
1
i & iv
2
i & ii
3
iii & ii
4
More than one of the above
5
None of the above