Class 11 Chemistry MCQ – Environmental Chemistry
1. Which of the following is a primary pollutant? a) Ozone b) Sulphur dioxide c) Peroxyacetyl nitrate d) Formaldehyde Click to View Answer and Explanation Answer: b) Sulphur dioxide Explanation: Primary pollutants are those directly released into the atmosphere. Sulphur dioxide is a primary pollutant, while others are secondary pollutants. 2. The greenhouse effect is […]
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