Multiple choice

Which of the following statements is incorrect?

  1. Helium is used in producing very low temperature.

  2. Helium is used in filling incandescent metal filament bulbs.

  3. A mixture of helium and oxygen is used by deep sea divers.

  4. Helium forms interstitial compounds.

  5. Helium is used in gas cooled atomic reactors as a heat transfer agent.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Krypton and Xenon are used in filling incandescent metal filament electric bulbs.

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