Photochemical smog formed in congested metropolitan cities mainly consists of

ozone, peroxyacyl nitrate and NO_x

smoke, peroxyacyl nitrate and SO₂

hydrocarbons, SO₂ and CO₂

hydrocarbons, ozone and SO₂

Solution

ozone, peroxyacyl nitrate and NO_x

Photochemical smog is a grey or yellowish brown opaque smog having oxidizing environment but little smokes. It is formed at high temperature over cities and towns due to still air, emission of NO₂ oxides and hydrocarbons from automobile exhausts. Nitrogen dioxide splits into nitric oxide and nascent oxygen. Nascent oxygen combines with molecular oxygen to form ozone. Ozone reacts with hydrocarbons to form aldehydes and ketones. Nitrogen oxides, oxygen and ketones combine to form peroxy-acyl-nitrates (PAN).

Some More Questions From Biodiversity and Conservation Chapter

1. Sardar Sarovar Dam is built on river......... .
2. Number of wildlife sanctuaries in India are ......... .

3. The bird “Dodo” became extinct because of......... .

4. First Earth summit was held at.........and aimed at.........

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Biodiversity And Conservation

Photochemical smog formed in congested metropolitan cities mainly consists of

ozone, peroxyacyl nitrate and NO_x

smoke, peroxyacyl nitrate and SO₂

hydrocarbons, SO₂ and CO₂

hydrocarbons, ozone and SO₂

Some More Questions From Biodiversity and Conservation Chapter

The most richest and the most threatened reservoirs of plants and animal life on earth are called :

The regions of earth where a large number of species are found, are called :

‘Chipko movement’ was started to conserve :

1. Sardar Sarovar Dam is built on river......... .
2. Number of wildlife sanctuaries in India are ......... .

3. The bird “Dodo” became extinct because of......... .

4. First Earth summit was held at.........and aimed at.........

Write “True” or “False” :

The practice of controlling the establishment, growth, composition, health, and quality of forests to meet diverse needs and values

Coin one word for the following statements : Genetic variations between distinct populations of same species.

Areas where maximum diversity is found.

What will the loss of biodiversity in a region may lead to?

How many National Parks are present in India ?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Phone Number

Email Address

Location

For Daily Free Study Material Join wiredfaculty

Biodiversity And Conservation

Photochemical smog formed in congested metropolitan cities mainly consists of ozone, peroxyacyl nitrate and NOx smoke, peroxyacyl nitrate and SO2 hydrocarbons, SO2 and CO2 hydrocarbons, ozone and SO2

Some More Questions From Biodiversity and Conservation Chapter

The most richest and the most threatened reservoirs of plants and animal life on earth are called :

The regions of earth where a large number of species are found, are called :

‘Chipko movement’ was started to conserve :

1. Sardar Sarovar Dam is built on river......... . 2. Number of wildlife sanctuaries in India are ......... . 3. The bird “Dodo” became extinct because of......... . 4. First Earth summit was held at.........and aimed at.........

Write “True” or “False” :

The practice of controlling the establishment, growth, composition, health, and quality of forests to meet diverse needs and values

Coin one word for the following statements : Genetic variations between distinct populations of same species.

Areas where maximum diversity is found.

What will the loss of biodiversity in a region may lead to?

How many National Parks are present in India ?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Photochemical smog formed in congested metropolitan cities mainly consists of

ozone, peroxyacyl nitrate and NO_x

smoke, peroxyacyl nitrate and SO₂

hydrocarbons, SO₂ and CO₂

hydrocarbons, ozone and SO₂

1. Sardar Sarovar Dam is built on river......... .
2. Number of wildlife sanctuaries in India are ......... .

3. The bird “Dodo” became extinct because of......... .

4. First Earth summit was held at.........and aimed at.........