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  • What is the percentage composition of inert gases in air ...
Multiple choice

What is the percentage composition of inert gases in air by volume?

  1. 78%

  2. 0.94%

  3. 21%

  4. 4%

  5. 0.03%

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Inert gases constitute 0.94% by volume in air.

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