A. 0.1 mol of methane, CH₄

B. 0.1 mol of methanol, CH₃OH

C. 0.1 mol of sulphur trioxide, SO₃

D. 0.1 mol of carbon dioxide, CO₂

A. Same as number of molecules in oxygen gas

B. More than the number of molecules in oxygen gas

C. Two times more than the number of molecules in oxygen gas

D. 20 times more than the number of molecules in oxygen gas

A. 1.0 mol of sodium chloride

B. 1.0 mol of oxygen gas

C. 1.0 mol of ammonia

D. 1.0 mol of helium gas

A. 23.71

B. 24.55

C. 47.41

D. 49.11

A. 2X + 3Y $$\rightarrow$$  X₂Y₃

B. 4X + 3Y₂ $$\rightarrow$$  2X₂Y₃

C. 3X + Y₂ $$\rightarrow$$  X₃Y₂

D. 3X + 2Y $$\rightarrow$$  X₃Y₂

A. 2N₂ + H₂ $$\rightarrow$$  N₂H₂

B. N₂ + 3H₂ $$\rightarrow$$  2NH₃

C. 3N + H₃ $$\rightarrow$$ 3N₂H₂

D. 3N₂ + 2H₂ $$\rightarrow$$ 3NH₃

A. Al3 + O₂ $$\rightarrow$$ Al₃O^₂

B. 3Al + 4O₂ $$\rightarrow$$  2Al₃O₂

C. 2Al + 2O₂ $$\rightarrow$$ 2Al₂O₃

D. 4Al + 3O₂ $$\rightarrow$$ 2Al₂O₃

A. Zn + 2AgNO₃ $$\rightarrow$$  Zn(NO₃)₂ + 2Ag

B. 2Zn + AgNO₃ $$\rightarrow$$  2Zn(NO₃)₂ + Ag

C. 3Zn + AgNO₃ $$\rightarrow$$  3Zn(NO₃)₂ + Ag

D. Zn + 3AgNO₃ $$\rightarrow$$  Zn(NO₃)₂ + 3Ag

A. Mass of one mole of a substance

B.Pressure of one mole of a substance

C. Volume occupied by one mole of gas

D. Number of particles in one mole of a substance