Rank
Sheet
PYQ Explorer
Topper Copies
Practice
Pricing
Sign in
Home
/
PYQ Explorer
/
Water Purification Technologies
Water Purification Technologies
1 UPSC Mains questions on this topic (2024–2024), with real topper answers where available.
GS-3
Q25. The world is facing an acute shortage of clean and safe freshwater. What are the alternative technologies which can solve this crisis? Briefly discuss any three such technologies citing their key merits and demerits.
2024 · 15 marks
← Browse the full PYQ Explorer