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NTA Abhyas NEET2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice

Which noble gas is most abundant in atmosphere?

Options

  1. AHe
  2. BNe
  3. CAr
  4. DKr

Correct answer

C. Ar

Step-by-step solution

Argon constitutes 0.93 % by volume of air.

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