The percentage of Oxygen in the atmospheric air is approximately:

The percentage of Oxygen in the atmospheric air is approximately:

  • (A) 10 percent
  • (B) 21 percent
  • (C) 30 percent
  • (D) 40 percent
Facebook
WhatsApp
Related MCQs:

 ‘NATO’ is an abbreviation of:

  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

You May Like

Comment

You cannot copy content of this page

Scroll to Top