DP Chemistry (last assessment 2024)

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Question 19M.3.sl.TZ1.a

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.sl.TZ1.a
Level sl Paper 3 Time zone TZ1
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 1]
19M.3.sl.TZ1.a

Most of the nuclear waste generated in a hospital is low-level waste (LLW).

Outline what is meant by low-level waste.

[1]

Markscheme

small/low amounts of radiation AND for a short time  [✔]

 

Note: Accept “weakly ionizing radiation” instead of “small amounts of radiation”.

Accept “short half-lives” instead of “for a short time”.

Examiners report

Most candidates just listed items that low-level nuclear waste was likely to comprise, rather than giving two of its radiation characteristics (low activity, non-penetrating radiation, short half-life).

Syllabus sections