Curriculum
Login

Curriculum

Chemistry — Second Secondary

Chemistry — Second Secondary

0/75

Chemistry — Second Secondary 2026/2027

0/47
Quiz

Question bank: Chapter 1 — Chemical Calculation

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
1.
To identify the limiting reactant we compare, for each reactant,
the given mass
the molar mass
the given moles divided by its coefficient
the coefficient only
2.
N₂ + 3H₂ → 2NH₃. A mixture of 2 mol N₂ and 3 mol H₂ reacts. The limiting reactant is
N₂
H₂
NH₃
neither
  • 1
  • 2