Question

Which of the following contains maximum
number of molecules
1) 4 gm of hydrogen
2) 22.4 ltrs of oxygen at S.T.P.
3) Carbon Dioxide obtained by heating 1 mole of
calcium carbonate
4) 4 gm ofhelium
PLEASE GIVE ANSWER WITH EXPLANATION​

Answer 1

Answer:

Explanation:

1    2 mole of hydrogen

2  1 mole of oxygen

3 1 mole of co2

4 1 mole of He

so option 1 is correct