DP Chemistry (first assessment 2025)

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Question 23M.2.HL.TZ2.24

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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.