Chemistry - Environmental Chemistry Question with Solution | TestHub
A substance which causes pollution is known as pollutant, then which of the following is/are TRUE about pollutant and its effects.
Options:(select one or more)
Answer:
Solution:
Statement (A) is true because SO₂ and NO₂ oxidize in the atmosphere and react with water to form acid rain as H₂SO₄ and HNO₃.
Statement (B) is false because CF₂Cl₂ (Freon) is an ozone-depleting substance, not a component of photochemical smog (which contains O₃, PAN, and NOₓ).
Statement (C) is true because nutrient enrichment (eutrophication) triggers heavy algal growth that consumes dissolved oxygen, suffocating aquatic animals.
Statement (D) is true because CO₂, CH₄, O₃, and water vapor efficiently trap infrared radiation, acting as greenhouse gases that drive global warming.
