ACTUAL EXAM PAPER 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
◉ Stoichiometry. Answer: Study of numerical relationships between
reactants and products in balanced chemical reactions
◉ Balanced Reaction. Answer: Reaction with equal numbers of
elements on both sides of the equation
◉ Stoichiometric Coefficient. Answer: Number in front of atoms, ions,
or molecules to balance a chemical reaction on both sides
◉ Excess Reactant. Answer: the extra in a chemical reaction
◉ Limiting Reactant. Answer: Reactant consumed first in a chemical
reaction
◉ Percent Yield. Answer: Ratio of actual yield to theoretical yield
◉ Theoretical Yield. Answer: Maximum product amount that can be
formed in a chemical reaction