Environmental Chemistry MCQ question and answer with solution

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Photo chemical smog is a resultant of the reaction among

A) High concentration of NO₂, O₃ and CO in the evening B) CO, CO₂ and NO₂ at low temperature C) CO, O₂ and peroxy acetyl nitrate in the presence of Sunlight D) NO₂, O₃ and peroxy acetyl nitrate in the presence of Sunlight

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Eutrophication of water body results from

A) submersing idols in the water body B) depletion of oxygen C) enhanced growth of algae or algal blooms D) high amounts of nitrogenous nutrients and orthophosphates

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which is not the constituents of photo chemical smog?

A) RCHO B) RCOR C) PAN D) CF₂Cl₂

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Smog is essentially caused by the atmospheric presence of

A) Oxygen and ozone B) Ozone and nitrogen C) Oxygen and nitrogen D) Oxide of nitrogen and sulphur

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Answer & Solution

Answer: Option D

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Ozone layer of upper atmosphere is being destroyed by which of the following?

A) Sulphur dioxide B) Photochemical oxidants C) Chlorofluorocarbons D) Smog

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Answer & Solution

Answer: Option C

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Which of the following is an inorganic gaseous pollutant of air?

A) Phosgene B) Hydrogen cyanide C) Hydrogen sulphide D) Methane

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Answer & Solution

Answer: Option C

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Which region of atmosphere has human beings alongwith other organism?

A) Stratosphere B) Troposphere C) Hydrosphere D) Mesosphere

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Answer & Solution

Answer: Option B

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Which of the following gas composition is wrong?

A) 78% nitrogen B) 21% oxygen C) 0.03 - 0.05% CO₂, argon D) None of the above

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Answer & Solution

Answer: Option D

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Which one of the following is not a 'Green house gas'?

A) Chlorofluorocarbons B) Methane C) Carbon dioxide D) Nitrogen

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Answer & Solution

Answer: Option D

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Pesticides and herbicides are main source of

A) water pollution B) air pollution C) soil pollution D) none of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Environmental Chemistry MCQ question and answer with solution | Chemistry Gk MCQs