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

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

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

A. RCHO

B. RCOR

C. PAN

D. CF₂Cl₂

A. Oxygen and ozone

B. Ozone and nitrogen

C. Oxygen and nitrogen

D. Oxide of nitrogen and sulphur

A. Sulphur dioxide

B. Photochemical oxidants

C. Chlorofluorocarbons

D. Smog

A. Phosgene

B. Hydrogen cyanide

C. Hydrogen sulphide

D. Methane

A. Stratosphere

B. Troposphere

C. Hydrosphere

D. Mesosphere

A. 78% nitrogen

B. 21% oxygen

C. 0.03 - 0.05% CO₂, argon

D. None of the above

A. Chlorofluorocarbons

B. Methane

C. Carbon dioxide

D. Nitrogen

A. water pollution

B. air pollution

C. soil pollution

D. none of the above