IIT JEE Questions And Answers :: Atoms Molecules And Chemical Arithmetic: part2



IIT JEE : Atoms Molecules And Chemical Arithmetic QUESTIONS AND ANSWERS :: part2 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.27 g of Al will completely react with

3 mol of oxygen
3 g-atoms of oxygen
3 g-equivalents of oxygen
3 atoms of oxygen.

17.The density of chlorine relative to air is

3
2.46
4
unpredicatable.

18.When 4.0 g of iron is burnt at high temperature to ferric oxide at constant pressure 29.28 kJ Of heat is evolved. The amount of heat evolved for producing one mole of ferric oxide is

819.84 kJ
40.99 kJ
81.98 kJ
409.9 kJ.

19.33.6 L of water vapour at S.T.P. are condensed to liquid state. The volume occupied by it is approximately

1 L
18 ml
27 L
127 ml.

More Atoms Molecules And Chemical Arithmetic QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha
If you are not willing to risk the usual you will have to settle for the ordinary- Jim Rohn