Chemistry > 2016 > 30
WASSCE
Which of the following factors will affect the rate of the reaction represented by the following equation?
2HCl(aq) + CaCO3(s) → CaCl2(aq) + H2O(l) + CO2(g)
I. Pressure
II. Concentration
III. Nature of reactants
IV. Temperature
2HCl(aq) + CaCO3(s) → CaCl2(aq) + H2O(l) + CO2(g)
I. Pressure
II. Concentration
III. Nature of reactants
IV. Temperature
A.
I and II only
B.
II, III and IV only
C.
I, II and III only
D.
I, II, III and IV
Answer: B
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