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Shyam Dubey • 3.70K Points
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Q. Which of the following is the lightest gas?

  • (A) Oxygen
  • (B) Hydrogen
  • (C) Nitrogen
  • (D) Helium
  • Correct Answer - Option(B)
  • Views: 1
  • Filed under category Chemistry
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Explanation by: Shyam Dubey
Hydrogen is the lightest gas, with a molecular weight of about 2 g/mol.

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