Atmosphere & Greenhouse Gases

CO₂, CH₄, and climate-related chemistry. Ideal for board exams and competitive test prep.

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QUESTION NO 01

Greenhouse gases include?

Answer: CO₂, CH₄, N₂O, water vapor

These gases absorb infrared radiation and warm the atmosphere.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 02

Ozone in the stratosphere?

Answer: Protects life by absorbing UV

Stratospheric O₃ filters harmful ultraviolet radiation.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 03

Acid rain is largely due to?

Answer: SO₂ and NOx forming acids

Sulfuric and nitric acids from oxidized SO₂/NOx acidify precipitation.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 04

BOD measures?

Answer: Oxygen demand of biodegradable organic matter

Biochemical oxygen demand indicates organic pollution strength.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 05

Eutrophication is caused mainly by?

Answer: Excess nutrients (N, P) leading to algal blooms

Nutrient overload stimulates algae and depletes oxygen when they decay.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 06

CFCs were restricted because they?

Answer: Deplete stratospheric ozone

Chlorine from CFCs catalytically destroys ozone.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 07

Particulate matter (PM2.5) is hazardous because?

Answer: It penetrates deep into lungs

Fine particles reach alveoli and carry toxins.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 08

Green chemistry aims to?

Answer: Reduce hazardous substances and waste

It designs safer processes with less waste and hazard.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 09

Dissolved oxygen in water is vital for?

Answer: Aquatic aerobic life

Fish and many organisms need adequate DO levels.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 10

Photochemical smog involves?

Answer: NOx, VOCs, sunlight, and ozone

Sunlight drives oxidant formation from NOx and organics.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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@shahzad-mahota

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Atmosphere & Greenhouse Gases

Greenhouse gases include?

Ozone in the stratosphere?

Acid rain is largely due to?

BOD measures?

Eutrophication is caused mainly by?

CFCs were restricted because they?

Particulate matter (PM2.5) is hazardous because?

Green chemistry aims to?

Dissolved oxygen in water is vital for?

Photochemical smog involves?

Published By

Shahzad Mahota

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00

00

00

00

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Atmosphere & Greenhouse Gases

Greenhouse gases include?

Explanation

Ozone in the stratosphere?

Explanation

Acid rain is largely due to?

Explanation

BOD measures?

Explanation

Eutrophication is caused mainly by?

Explanation

CFCs were restricted because they?

Explanation

Particulate matter (PM2.5) is hazardous because?

Explanation

Green chemistry aims to?

Explanation

Dissolved oxygen in water is vital for?

Explanation

Photochemical smog involves?

Explanation

Published By

Shahzad Mahota

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00

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