Multiple choice

Among the following noble gases which one is used in cryogenics ?

  1. Helium

  2. Neon

  3. Argon

  4. Krypton
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A Correct answer
Explanation

Helium is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table.Helium is used in cryogenics (its largest single use, absorbing about a quarter of production), particularly in the cooling of superconducting magnets, with the main commercial application being in MRI scanners.

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