Stratospheric Pollution

Q. What is the reason for irritant red haze in traffic and congested places?

1. Oxides of phosphorus
2. Oxides of carbon
3. Oxides of nitrogen
4. Oxides of sulphur

Q. Which of the following is not true about Ozone?

1. It is a pale blue gas with a characteristic strong smell
2. It is unstable and decomposes completely into oxygen at ${30}^{0}C$ with the absorption of 68 kCal/mol.
3. It is diamagnetic in nature.
4. It is powerful oxidizing agent

Q.

What are the major layers of the atmosphere?

Q. Which of the following is a sink for CO?

1. Oceans
2. Microoraganisms present in the soil
3. Plants
4. Haemoglobin

Q.

Which among the following is known as the point of temperature inversion?

1. Troposhphere

2. Tropopause

3. Mesosphere

4. Stratosphere

Q. Explain stratosphere.

Q. In the atmosphere, the layer above the troposphere is:

1. Troposphere
2. Stratosphere
3. Mesosphere
4. Exosphere

Q. Height of Stratosphere above earth's surface in (Km) is:

1. 0-10
2. 10-50
3. 50-85
4. 85-100

Q. Write in details about the production of stratospheric ozone?

Q. "Stratospheric ozone is formed naturally by chemical reactions involving solar ultraviolet radiation (sunlight) and oxygen molecules, which make up ___ of the atmosphere."

1. 21%
2. 22%
3. 23%
4. 24%

Q. What is ozone depletion?

Q. Ultraviolet radiation is absorbed by:

1. exosphere
2. stratosphere
3. ionosphere
4. ozonosphere

Q.

Which one of the following protects the life from ultraviolet rays?

1. Ionosphere

2. Ozonosphere

3. Thermosphere

4. Troposphere

Q. The dissolution of ozone layer cause ozone hole in the blanket surrounding the atmosphere. What the ill effects of ozone hole?

1. Greenhouse effect
2. Global warming
3. Acid rain
4. UV rays reaching the earth.

Q.

1. Ultraviolet rays are absorbed by ____________ of atmosphere.

Q. Ozone layer is present in:

1. mesosphere
2. none of these
3. stratosphere
4. lithosphere

Q. Why do we care about atmospheric ozone?

Q. how was the atmosphere of the earth formed? why does the other planets dont have atmosphere?

Q. The following reactions occur in the stratosphere:

1. $S{O}_3+H_{2}O\to H_{2}S{O}_4$
2. $O_2+UV\to O+O$
3. $O_2+O\to O_3$
4. $Cl+O_3\to ClO+O_2$

Q. Ultraviolet radiation is absorbed by :

1. ionosphere
2. exosphere
3. mesosphere
4. stratosphere

Q.

In polar stratospheric clouds, chlorine nitrate on hydrolysis yields:

1. Hypochlorous acid and nitric acid

2. Nitric acid and chlorine

3. None of the above

4. Hydrogen chloride and nitrogen

Q. How much % of the atmosphere's mass is contained in the troposphere?

1. 60
2. 20
3. 80
4. 50