Oxygen, a vital component of our atmosphere, plays a crucial role in sustaining life and driving various chemical reactions. This quiz will take you through fascinating facts and insights about oxygen, from its discovery to its everyday applications. Let’s see how much you know about this indispensable element!
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Oxygen Quiz Questions Overview
1. Who is credited with the discovery of oxygen?
Antoine Lavoisier
Joseph Priestley
Carl Wilhelm Scheele
Henry Cavendish
2. What is the chemical symbol for oxygen?
O
Ox
Og
On
3. What percentage of the Earth’s atmosphere is composed of oxygen?
21%
78%
50%
10%
4. Which process in plants produces oxygen?
Respiration
Photosynthesis
Fermentation
Glycolysis
5. What is the molecular formula for oxygen gas?
O2
O3
O4
O
6. Which of the following is a common use of oxygen in healthcare?
Anesthetic
Antibiotic
Respiratory therapy
Pain reliever
7. What is the atomic number of oxygen?
6
8
10
12
8. Which allotrope of oxygen is known as ozone?
O2
O3
O4
O
9. In which part of the human body is oxygen primarily absorbed?
Stomach
Lungs
Kidneys
Liver
10. What is the role of hemoglobin in oxygen transport?
To digest food
To transport oxygen
To fight infections
To regulate temperature
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂