Which of the following options is correctly matched?

PYQ SSC JE (Junior Engineer) 2022

Which of the following options is correctly matched?

  1. A.

    Argon – radioactive rare gas

  2. B.

    Helium – heavy gas

  3. C.

    Neon – radioactive flammable gas

  4. D.

    Radon – radioactive rare gas

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