Air Pollution

Q.

Differentiate between natural and anthropogenic pollution.

Q.

What are some permanent gases found in the atmosphere?

Q.

Write a note on sources of air pollution.

Q. 86. Zeff of boron is x then zeff of oxygen will be- (1) x-0.65 (2) x+0.65 (3) x+1.30 (4) x+1.95

Q.

The chemical name of laughing gas is

1. Nitric Oxide

2. Nitrous Oxide

3. Nitrogen

4. Nitrogen Dioxide

Q.

The main source of carbon monoxide in the atmosphere is:

1. Bio wastes

2. Vehicles

3. Industries

4. Photochemical reactions in the troposphere.

Q.

Which compounds are responsible for the depletion of ozone layer?

Q. Question 1
Carbon exists in the atmosphere primarily in the form of:

(a) Carbon monoxide only
(b) Carbon monoxide and carbon dioxide
(c) Carbon dioxide only
(d) Methane

Q.

The burning of wood and coal causes _____in air.

Q.

Methane is a green house gas. Comment.

Q.

When water vapour is passed over hot coke, water gas is formed.Which of the following constitutes the water gas?

1. Carbon dioxide & Oxygen
2. Carbon monoxide & Hydrogen
3. Carbon dioxide & Nitrogen
4. Carbon monoxide & Nitrogen

Q. Substance causing global warming in the exhaust of fossil fuel fired power plants and cars is

1. Particulate matter
2. Nitrogen dioxide
3. Sulphur dioxide
4. Carbon dioxide

Q.

Give various source which are adding green house gases to the environment

Q. Which among the following is not a green house gas?

1. O₃

2. N₂

3. CO₂

4. CH₄

Q. The Ozone layer protects us from the harmful UV rays of the Sun.

1. False
2. True

Q.

Smoke when mixed with fog is called as:

Q. Acid rain causes:

1. destruction of monuments
2. spoilage of soil
3. spoilage of water bodies
4. formation of ozone layer

Q. The presence of which of the following gases in air checks the ultraviolet rays from sunlight?

1. SO${}_2$
2. CO${}_2$
3. NO
4. O${}_3$

Q.

Is silicone toxic to humans?

Q.

What are the main sources of air pollution in cities

1. Energy flow will be blocked
2. Herbivores will not receive solar energy
3. Mineral movement will be blocked
4. Rate of decomposition will be very high

Q. Name three fuels that emit carbon dioxide into the atmosphere.

1. Uranium. coal, petrol
   
2. Oil, Uranium, diesel
   
3. Coal, natural gas, oil
4. None of these
   

Q. How does the burning of fossil fuels cause air and soil pollution?

Q.

Question 3
Boojho wishes to contribute in reducing air pollution. Which vehicle should he use for going to school?
(a) Car
(b) School bus
(c) Autorickshaw
(d) Scooter

Q. Green house gases include______

1. Carbon dioxide
2. Methane
3. Water vapour
4. Ozone