DP Chemistry (last assessment 2024)

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Question 22M.1.sl.TZ2.29

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1.sl.TZ2.29
Level sl Paper 1 Time zone TZ2
Command term State Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
22M.1.sl.TZ2.29

What is the uncertainty, in cm3, of this measurement?

A.  ±0.01

B.  ±0.1

C.  ±0.15

D.  ±1

[1]

Markscheme

C

Examiners report

This question generated a lot of debate among teachers and examiners. The answer B is the best answer but it is a rather low value. It was selected by 34% of the candidates. Many teachers argued that the correct answer should be 0.5 cm3.

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