DP Chemistry (first assessment 2025)
Question 19M.1B.SL.TZ1.a(ii)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1B.SL.TZ1.a(ii) |
| Level | SL | Paper | 1B | Time zone | TZ1 |
| Command term | State | Question number | a(ii) | Adapted from | N/A |
a(ii).
[Maximum mark: 1]
19M.1B.SL.TZ1.a(ii)
State what point Y on the graph represents.
[1]
Markscheme
highest recorded temperature
OR
when rate of heat production equals rate of heat loss [✔]
Examiners report
Most scored the mark in for stating that point Y either indicated the maximum temperature or the end of the reaction.
