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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

What is the approximate percentage of oxygen in dry air by volume?

Options

  1. A0.03-0.1%
  2. B20.946%
  3. C46.6%
  4. D7%

Correct answer

B. 20.946%

Step-by-step solution

The paragraph mentions that dry air contains approximately 20.946% oxygen by volume.

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