Unit 6 · Chemical Reactions

Question Bank

Cambridge IGCSE Chemistry 0620 · 44 questions

Q15Chemical Reactions

Increasing the temperature increases the rate because

(a)particles get bigger

(b)the concentration rises

(c)the catalyst works less

(d)particles collide more often and more of them have the activation energy

Correct answer: (d) particles collide more often and more of them have the activation energy

Explanation: More successful collisions.

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