The GATE Grind

GATE Solid and Hazardous Waste Management: Hazardous Waste Management – Previous Year Questions

5 GATE previous year questions on Hazardous Waste Management (Solid and Hazardous Waste Management, Environmental Science and Engineering) with answers and explanations, from every paper.

  1. GATE 2023 ES Q21 (1 mark, Multiple choice) – Which are NOT covered by India’s Hazardous and Other Wastes2016 rules:i Domestic hazardous waste;ii Nuclear waste;iii Wet-scrubber sludge from…
  2. GATE 2023 ES Q43 (2 marks, Multiple choice) – Consider I Cr(III) generally has lower aqueous solubility/soil mobility than Cr(VI);II Zero-valent iron converts Cr(III) to Cr(VI);III Cr(VI) is…
  3. GATE 2024 ES Q31 (1 mark, Multiple select) – Under the hazardous-waste rules referenced as2016 in the paper, which are characteristic hazardous-waste properties?
  4. GATE 2025 ES Q33 (1 mark, Multiple select) – Which statements about cumulative toxicity are correct?
  5. GATE 2026 ES Q31 (1 mark, Multiple select) – Which statements are correct? Select all that apply.