Environmental Studies

Air Pollution

2,298 Questions

Air pollution questions address the sources of emissions, indoor air quality, and the formation of photochemical smog. You will explore the impact of particulate matter, acid rain, and urban pollutants. This is a highly relevant subject for environmental studies and general awareness tests.

Photochemical smogParticulate matter emissionsAcid rain causesIndoor air pollutionAmmonia emissions

Air Pollution Questions

Multiple choice

Acid rain is caused by

  1. carbon monoxide and carbon dioxide

  2. sulfur dioxide and nitrogen dioxide

  3. nitrous oxide and carbon monoxide

  4. carbon dioxide and nitrous oxide
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Acid rain is primarily caused by the atmospheric emission of sulfur dioxide and nitrogen dioxide, which react with water vapor to form sulfuric and nitric acids.

Multiple choice

Where does smog mostly occur?

  1. Costal regions

  2. Industrial regions

  3. Desert regions

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Smog is a type of air pollution resulting from the mixture of smoke and fog, which is most commonly generated by industrial emissions and vehicle exhaust in urban or industrial areas.

Multiple choice

Which of the following compounds are responsible for acid rain?

  1. Sulphur dioxide and nitrogen dioxide

  2. Carbon monoxide and hydrogen sulphide

  3. Carbon dioxide and silver nitrite

  4. CFCs and carbon monoxide
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The oxides of sulphur and nitrogen present as pollutants in air react with water present in the atmosphere to form acids, which results in acid rain.

Multiple choice

Which of the following is a false statement?

  1. Carbon dioxide is used in making soft drinks or cold drinks.

  2. Sulphur dioxide and nitrogen dioxide cause air pollution.

  3. Oxygen is called active air.

  4. Nitrogen is the largest constituent of air that dilutes the activity of oxygen.

  5. Carbon dioxide gas is vital for respiration.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Oxygen is vital for respiration, not carbon dioxide.

Multiple choice

Acid rain is caused by pollution of environment by

  1. Carbon dioxide and Nitrogen

  2. Carbon monoxide and Carbon dioxide

  3. Ozone and Carbon dioxide

  4. Nitrous oxide and Sulphur dioxide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Acid rain is primarily caused by the emission of sulfur dioxide and nitrogen oxides, which react with water vapor in the atmosphere to form sulfuric and nitric acids.

Multiple choice

We all know about acid rain. Which acid makes the rain acidic and is very harmful?

  1. Carbonic acid

  2. Nitric acid

  3. Suphuric acid

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of these. In the atmosphere, carbon di-oxide partially reacts with water to form carbonic acid (pumped in the atmosphere  mainly by burning of fossil fuel from volcanoes etc.) In the atmosphere, nitrogen oxide forms a weak solution of nitric acid (pumped in the atmosphere as a secondary pollutant.) In the atmoshere, sulphur di-oxide forms sulphuric acid. This is also called as a secondary pollutant. Answer is Option-5 All of these. Carbon -di -oxide in the atmosphere partially reacts with water to form carbonic acid( pumped in the atmosphere  mainly by burning of fossil fuel, from volcanoes etc. ) Nitrogen oxide in the atmosphere forms a weak solution of nitric acid ( pumped in the atmosphere as a secondary pollutant.) Sulphur -di -oxide in the atmoshere forms sulphuric acid ( this again as a secondary pollutant.)

Multiple choice

Which of these is not a method to control air pollution?

  1. Electrostatic Precipitator

  2. Catalytic Converter

  3. Organic Farming

  4. Scrubber

  5. Use of lead free fuel
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Organic Farming is a cyclical, zero waste procedure where waste products from one process are cycled in as nutrients for other processes. It is used to control soil pollution and loss of soil fertility.