★ NEW Preorder Ancient and Medieval Indian History ⚡️ Shipping from Aug 15^th ★ ★ NEW Prelims Cracker 2027 ⚡️ New Subjects from Sep 1^st 📞 Call Now: 9211591415 ★ ★ NEW GS Foundation 2027 ⚡️ Just Started ⬇️ Download Brochure 📞 Call Now: 9211591415 ★ ★ PMF IAS Impact 🎯 53 Direct Hits in Prelims 2025 and 🎯 46 Direct Hits in Prelims 2026 ★

★ NEW Preorder Ancient and Medieval Indian History ⚡️ Shipping from Aug 15^th ★ ★ NEW Prelims Cracker 2027 ⚡️ New Subjects from Sep 1^st 📞 Call Now: 9211591415 ★ ★ NEW GS Foundation 2027 ⚡️ Just Started ⬇️ Download Brochure 📞 Call Now: 9211591415 ★ ★ PMF IAS Impact 🎯 53 Direct Hits in Prelims 2025 and 🎯 46 Direct Hits in Prelims 2026 ★

Heavy Metals

Activated carbon uses and production — UPSC Prelims PYQ 2025

Wetlands as Earth’s kidneys — key function | UPSC Prelims PYQ 2022

Jeevan Bisht
2022 / Environment / Wetlands / UPSC Prelims PYQs
Aquatic Plants / Heavy Metals / Nutrient Absorption / Water Purification / Wetlands

Concerns about copper smelting plants UPSC Prelims PYQ 2021

Toxics released from improper disposal of computers (e‑waste) — UPSC Prelims PYQ 2013

Jeevan Bisht
2013 / Environment / Pollution and Degradation / UPSC Prelims PYQs
Beryllium / Cadmium / E-Waste / Hazardous Waste / Heavy Metals

Physico-chemical characteristics of water sources — UPSC Prelims PYQ 1996

PMF IAS
1996 / Chemistry / General Science / UPSC Prelims PYQs
Effluents / Heavy Metals / Water Chemistry / Water Pollution / Water Quality

PMF IAS Daily Prelims Questions October

Daily Current Affairs MCQs – October 28 2023

Heavy Metal Toxicity

Heavy Metals and Heavy Metal Toxicity

Odisha National Parks, Tiger Reserves, & Ramsar Sites - PMF IAS

Current Affairs October 05, 2023: Nobel Prize in Chemistry 2023, SC and ST (Prevention of Atrocities) Act 1989, UAPA, Glacial Lake Outburst Flood in Sikkim