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Date May 2014 Marks available 1 Reference code 14M.1.sl.TZ2.17
Level SL Paper 1 Time zone TZ2
Command term Question number 17 Adapted from N/A

Question

Which change increases the rate of a chemical reaction?

A.     Increasing the size of solid reactant particles

B.     Decreasing the concentration of aqueous reactants

C.     Increasing the surface area of a solid reactant

D.     Decreasing the pressure of gaseous reactants

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 6: Chemical kinetics » 6.1 Collision theory and rates of reaction
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