Mole Concept Quiz | Mole Concept Question and Answer for Practice

31. Volume at N.T.P of 0.22 g of CO₂ is same as that of

1. 0.01 g of hydrogen
2. 0.085 g of NH₃
3. 320 mg of gaseous So₂
4. All the above.

32. Volume at N.T.P. of 0.22 g of CO₂ is same as that of

1. 0.01 g of hydrogen
2. 0.085 g of NH₃
3. 320 mg of gaseous So₂
4. All the the above

33. Which among the following is the heaviest?

1. One mole is oxygen
2. One molecule of sulphur trioxide
3. 100 amu of uranium
4. 44 g of carbon dioxide.

34. Which has maximum number of atoms ?

1. 24g of c (12)
2. 56g of Fe (56)
3. 27g of Al (27)
4. 108g of Ag (108)

35. Which of the following contains maximum no. of molecules ?

1. 200 cc of NH₃ at S.T.P
2. 150 cc of N₃ at S.T.P
3. 50 cc of So₂ at S.T.P
4. 150 cc of O₂ at S.T.P

36. Which of the following weighs the most ?

1. one g-atom of nitrogen
2. One mole of water
3. One mole of sodium
4. One molecule of H2So4

37. Which sample contains the largest number of atoms?

1. 1 mg of C₄H₁₀
2. 1 mg of N₂
3. 1 mg of Na
4. 1 mL of water