DP Chemistry (first assessment 2025)
Question EXM.1B.HL.TZ0.1aiii
Date | May Example question | Marks available | [Maximum mark: 1] | Reference code | EXM.1B.HL.TZ0.1aiii |
Level | HL | Paper | 1B | Time zone | TZ0 |
Command term | Comment | Question number | iii | Adapted from | N/A |
iii.
[Maximum mark: 1]
EXM.1B.HL.TZ0.1aiii
(iii)
The results calculated for the subsequent days are shown.
Comment on the significance of the difference in Fe2+ content measured for day 4 and 5.
[1]
Markscheme
no difference AND uncertainty larger than difference ✔
Accept other explanations referred to overlapping.
