DP Chemistry (first assessment 2025)

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Question 21M.1A.SL.TZ1.13

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.SL.TZ1.13
Level SL Paper 1A Time zone TZ1
Command term Interpret Question number 13 Adapted from N/A
13.
[Maximum mark: 1]
21M.1A.SL.TZ1.13

When sodium carbonate powder is added to ethanoic acid, the beaker becomes cooler.

Possible enthalpy diagrams are shown.

Which correctly describes the reaction?

[1]

Markscheme

C

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