From where does ozone come in the photo chemical smog?

Short/Brief Note

\[\ce{NO2 ->[Sunlight] NO + (O)}\]

O₃ are strong oxidizing agent and can react with unburnt hydrocarbons in polluted air to form formaldehyde, acrolein and peroxy acetyl nitrate (PAN).

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Types of Environmental Pollution

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Chapter 15: Environmental Chemistry - Evaluation [Page 279]

Chapter 15 Environmental Chemistry
Evaluation | Q II. 6. | Page 279

Bhopal Gas Tragedy is a case of ________.

Living in the atmosphere of CO is dangerous because it ______.

Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using ______.

Biochemical oxygen Demand value less than 5 ppm indicates a water sample to be ______.

Assertion (A): If BOD level of water in a reservoir is more than 5 ppm it is highly polluted.

Reason(R): High biological oxygen demand means high activity of bacteria in water.

Define smog.

What are particulate pollutants? Explain any three.

Explain the effects of acid rain.

Differentiate the following:

Viable and non-viable particulate pollutants

Explain how oxygen deficiency is caused by carbon monoxide in our blood? Give its effect.