WAEC - Chemistry (2004 - No. 27)
Which of the following factors that affect the rate of chemical reactions can be explained in terms of the collision theory? l. concentration ll. pressure lll. temperature lV catalyst
l and ll only
l, ll and lll only
l and lll only
l, II, lll and IV only
Explanation
The factors that affect reaction rates are:
- surface area of a solid reactant.
- concentration or pressure of a reactant.
- temperature.
- nature of the reactants.
- presence/absence of a catalyst
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