Test: Air - 2 - JAMB MCQ

Nitrogen is the major constituent of air, comprising approximately 78% of the atmosphere.

Oxygen constitutes about 21% of the air.

Carbon dioxide is a greenhouse gas that contributes to the greenhouse effect and global warming.

Neon gas emits a characteristic orange-red glow when subjected to an electric current, which gives the distinctive color to neon signs.

Carbon dioxide makes up approximately 0.04% of the air.

Nitrogen helps maintain atmospheric pressure, which is vital for various atmospheric processes and the overall balance of the atmosphere.

Oxygen is essential for respiration in living organisms, as it is used to release energy from food through the process of cellular respiration.

The separation of air components is typically achieved through the process of fractional distillation, based on the different boiling points of the gases.

Nitrogen gas is an essential component of fertilizers and is used in the manufacturing process to enhance plant growth.

Argon is commonly used in electric bulbs to fill the space and prevent oxidation of the filament, extending the life of the bulb.