DP Chemistry (last assessment 2024)

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Question 18N.1.sl.TZ0.17

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.sl.TZ0.17
Level sl Paper 1 Time zone TZ0
Command term Question number 17 Adapted from N/A
17.
[Maximum mark: 1]
18N.1.sl.TZ0.17

What decreases the activation energy of a reaction?

A.   Increasing the temperature

B.   Adding a catalyst

C.   Adding more reactants

D.   Increasing collision frequency of reactants

[1]

Markscheme

B

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