DP Chemistry (first assessment 2025)

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Question EXM.1B.HL.TZ0.ii

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Date May Example question Marks available [Maximum mark: 2] Reference code EXM.1B.HL.TZ0.ii
Level HL Paper 1B Time zone TZ0
Command term Predict Question number ii Adapted from N/A
ii.
[Maximum mark: 2]
EXM.1B.HL.TZ0.ii

Spinach contains a large amount of antioxidant compounds, including ascorbic acid and oxalic acid. Predict how this will affect the accuracy of the results, mentioning the type and direction of the error.

[2]

Markscheme

systematic error AND lower accuracy ✔

overestimation of [Fe(II)] ✔

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