Mains Answer Writing - 7 Dec, 2025

GS3

Science & Technology

15 marks

Discuss the effectiveness and limitations of chemical dust suppressants as a measure to control particulate matter pollution in urban areas like Delhi.

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Tips for your answer

Use data in the intro – Mention that chemical suppressants are 50–60% more effective than water to establish relevance.
Show balance – Write both benefits (longer dust control) and limits (health, soil, cost issues).
End with solutions – Suggest regulated use + eco-friendly alternatives + monitoring.

9.5/15

Topper’s Answer Sheet

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