Which among the following gases is used in treatment of cancer?

Which among the following gases is used in treatment of cancer?
  1. He
  2. Ar
  3. $\mathrm{Ne}$
  4. Rn

Solution

Radon $(\mathrm{Rn})$ is radioactive element so, it can be used in cancer treatment.

Asked in: MHT CET 2020 (13 Oct Shift 1)

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