Post Utme Noun 2025 Chemistry Question 18

Practice objective / multiple choice question 18 from the 2025 Post Utme Noun Chemistry examination.

Post Utme Noun 2025 Chemistry Objective / Multiple Choice
Question 18 POST_UTME_NOUN • 2025 • CHEMISTRY • objective

A sample of air contains 21% oxygen, 78% nitrogen, and 1% other gases. What is the partial pressure of oxygen in a sample of air at 1 atm total pressure?

Answer Options

Correct Answer A. 0.21 atm
B. 0.21 kPa
C. 0.21 bar
D. 0.21 MPa
Correct Answer
A
Correct Option:
0.21 atm

About This Question

This is Post Utme Noun 2025 Chemistry Question 18. It is one of the objective questions from the 2025 Post Utme Noun Chemistry examination.

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