DP Chemistry (first assessment 2025)
Question 23M.2.HL.TZ2.24
Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.2.HL.TZ2.24 |
Level | HL | Paper | 2 | Time zone | TZ2 |
Command term | Distinguish | Question number | 24 | Adapted from | N/A |
24.
[Maximum mark: 2]
23M.2.HL.TZ2.24
Distinguish between the hazards of high-level and low-level nuclear waste.
[2]
Markscheme
level has large amounts of «ionizing» radiation ✓
high-level has long half-lives
OR
high-level last longer/persists ✓
Accept converse statements for low-level.
Accept “high radioactivity for high-level" for M1.
Do not accept “high-level has ionizing radiation” alone for M1.
Do not accept answers based on storage or disposal differences alone.
Accept “high-level releases heat” for M2.
Do not accept “high-level has more penetrating radiation”
OR
“high-level has higher frequency radiation” for M1.
