What Air Pollutant is Known as Soot?
Soot is defined as the black, powdery substance produced by the incomplete burning of organic materials. It consists mainly of fine carbon particles.
Connecting Soot to Air Pollutant Types
Soot is a common emission from combustion processes, such as burning wood, coal, or diesel fuel. In the context of air pollution, it falls under a broader category.
Let's examine the options:
- Lead: This is a toxic heavy metal.
- Ozone: This is a gas ($O_3$), a major component of smog.
- Carbon monoxide: This is a colorless, odorless gas (CO) often resulting from incomplete combustion.
- Particulate matter: This includes fine solid particles and liquid droplets suspended in the air. Soot is a primary example of particulate matter.
Identifying Soot
Based on its composition (fine carbon particles) and origin (incomplete combustion), soot is classified as particulate matter.
Similar Questions
- Which of the following in polluted air causes Hay fever?
- Since 2011 the supreme court banned the manufacture, sale and use of which pesticide that causes hazardous effects to human life as well as the environment?
- Which of the following gas is not related to acid rain?
- Which of the following mainly causes the depletion of the ozone layer?
- Which of the following chemicals/gases is/are responsible for causing the greenhouse effect?
- Which of the following is NOT a greenhouse gas?
- Which of the following is the most polluted city of the world as per the Guinness World Records 2020 analysis of a World Health Organization report?
- Ozone layer is responsible for preventing harmful UV rays to enter the earth's atmosphere. Which of the hydrocarbons is/are not responsible for depletion of the ozone layer?
- Read the given statements, labelled Assertion (A) and Reason (R), and select the most appropriate option with respect to them.
Statements:
'A': Carbon dioxide is not always a pollutant.
'R': Plants require carbon monoxide for growth that they get from carbon dioxide. - Acid rain is mainly caused due to the presence of which two gases in the atmosphere?
Important Questions from Environmental pollution
Photochemical smog is a resultant of the reaction among
Which of the following is NOT responsible for the degradation of our environment?
With reference to furnace oil, consider the following statements:
1. It is a product of oil refineries.
2. Some industries use it to generate power.
3. Its use causes sulphur emissions into environment.
Which of the statements given above are correct?
Why is there a concern about copper smelting plants?
1. They may release lethal quantities of carbon monoxide into environment.
2. The copper slag can cause the leaching of some heavy metals into the environment.
3. They may release sulphur dioxide as a pollutant.
Select the correct answer using the code given below.
Magnetite particles, suspected to cause neurodegenerative problems are generated as environmental pollutants from which of the following?
1. Brakes of motor vehicles
2. Engines of motor vehicles
3. Microwave ‘Stoves within homes
4. Power plants
5. Telephone lines
Select the correct answer using the code given below.
