Question

The pollutants discharged by planes are

• A. Smoke
• B. Smog
• C. Areosols
• D. Fog

Answer 1

The correct option is C

Areosols

The correct option is C.

Explanation of the correct option:

1. Airplanes emit aerosols that contain chlorofluorocarbons (CCl2F2) and (CCl3F).
2. These aerosols deplete the ozone layer in the atmosphere.

Explanation of the incorrect options:

Option A:

1. Smoke is majorly a result of burning fossil fuels like coal.
2. The process releases nitrogen oxides into the atmosphere that contribute to the formation of smog.

Option B:

1. Smog is formed through photochemical reactions with pollutants like nitrogen oxides emitted from vehicles and industry.

Option D:

1. Fog consists of tiny water droplets suspended in the air.
2. It majorly arises due to weather conditions.

Final answer: The pollutants discharged by planes are aerosols.