Environmental Chemistry – Air Pollution, Water Pollution, Ozone Depletion
Chemistry · Grade 11 · Week 41 · 25 questions
This Grade 11 chemistry chapter on Environmental Chemistry introduces Air Pollution, Water Pollution, and Ozone Depletion. Clear understanding here pays off in competitive exams (JEE/NEET) where speed matters.
What you'll practise
- Identify Air Pollution
- Identify Water Pollution
- Identify Ozone Depletion
- Apply environmental chemistry concepts to NCERT exercise and exemplar problems
All 25 questions in this Environmental Chemistry – Air Pollution, Water Pollution, Ozone Depletion quiz
Grade 11 Chemistry — Environmental Chemistry – Air Pollution, Water Pollution, Ozone Depletion: 25 practice questions with instant scoring and explanations.
- Major air pollutants:
- Main source of CO:
- SO₂ comes mainly from:
- NOₓ (NO + NO₂) comes from:
- Photochemical smog forms by:
- PAN stands for:
- Classical (London) smog is rich in:
- BOD stands for:
- High BOD indicates:
- Eutrophication is caused by:
- Major water pollutants:
- Minamata disease caused by:
- Itai-itai disease caused by:
- Blue baby syndrome caused by:
- Stratospheric ozone (O₃) absorbs:
- Ozone layer is in:
- CFCs deplete ozone by:
- Chain reaction for O₃ depletion by Cl:
- Ozone hole over:
- Montreal Protocol (1987) controlled:
- Kyoto Protocol (1997) targets:
- DO (dissolved oxygen) at 20°C saturation ≈
- Respirable suspended particulates (RSPM) size:
- Smog word origin:
- Major vehicular pollutant reduced by catalytic converter:
Question 1 of 250 correct so far