Environmental Chemistry

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QUESTION NO 01

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

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QUESTION NO 02

BOD measures?

Answer: Oxygen demand of biodegradable organic matter

Biochemical oxygen demand indicates organic pollution strength.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 03

Particulate matter (PM2.5) is hazardous because?

Answer: It penetrates deep into lungs

Fine particles reach alveoli and carry toxins.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 04

Green chemistry aims to?

Answer: Reduce hazardous substances and waste

It designs safer processes with less waste and hazard.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 05

Photochemical smog involves?

Answer: NOx, VOCs, sunlight, and ozone

Sunlight drives oxidant formation from NOx and organics.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 06

Dissolved oxygen in water is vital for?

Answer: Aquatic aerobic life

Fish and many organisms need adequate DO levels.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 07

Dissolved oxygen in water is vital for?

Answer: Aquatic aerobic life

Fish and many organisms need adequate DO levels.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 08

CFCs were restricted because they?

Answer: Deplete stratospheric ozone

Chlorine from CFCs catalytically destroys ozone.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 09

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 10

Greenhouse gases include?

Answer: CO₂, CH₄, N₂O, water vapor

These gases absorb infrared radiation and warm the atmosphere.

Shahzad Mahota @shahzad-mahota

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Environmental Chemistry

More topics in Chemistry

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Analytical Chemistry

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Acid rain is largely due to?

BOD measures?

Particulate matter (PM2.5) is hazardous because?

Green chemistry aims to?

Photochemical smog involves?

Dissolved oxygen in water is vital for?

Dissolved oxygen in water is vital for?

CFCs were restricted because they?

BOD measures?

Greenhouse gases include?

Environmental Chemistry

More topics in Chemistry

All

Analytical Chemistry

Environmental Chemistry

Inorganic Chemistry

Organic Chemistry

Physical Chemistry

Explore

Acid rain is largely due to?

Explanation

BOD measures?

Explanation

Particulate matter (PM2.5) is hazardous because?

Explanation

Green chemistry aims to?

Explanation

Photochemical smog involves?

Explanation

Dissolved oxygen in water is vital for?

Explanation

Dissolved oxygen in water is vital for?

Explanation

CFCs were restricted because they?

Explanation

BOD measures?

Explanation

Greenhouse gases include?

Explanation