Uses of noble gases

This type of question, asked 2 times: 23 Apr 2025 S1, 14 May 2026 S2. All 2 questions below, oldest first.

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Question 1
23 Apr 2025 S1
60 $Which of the following inert gases is used for magnetic resonance imaging?$
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Question 2
14 May 2026 S2
33 $Which of the following inert gases is used in supersonic wind tunnels?$
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