Mole Concept MCQ Questions and Answers Quiz

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
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