Question

UPSC Prelims 2023 Question:

Fertilizer plants

Oil refineries

Steel Plants

Green hydrogen is expected to play a significant role in decarbonizing how many of the above industries?

1. Only one
2. Only two
3. All three
4. None

Answer (Detailed Solution Below)

Option 3: All three

Detailed Solution

Explanation:

The primary focus for adoption of green hydrogen is likely to be oil refineries, fertilisers and chemical industry. oil refineries using grey hydrogen for desulphurisation, ammonia production for fertilisers and chemicals industry, and treatment of basic metals are the leading market opportunities for green hydrogen in the short-medium term. Oil refineries, fertiliser companies and steel producers are likely to be asked to meet a compulsory green hydrogen purchase obligation (GHPO) in a planned national move to green energy.

Therefore, option (3) is the correct answer.

Subject: Science & Technology | Miscellaneous(s&t)

Latest UPSC Exam 2026 Updates

Last updated on March, 2026

→ UPSC Final Result 2025 is now out.

→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.

→ Anuj Agnihotri secured AIR 1 in the UPSC Civil Services Examination 2025.

→ UPSC Marksheet 2025 is now out.

→ UPSC Notification 2026 & UPSC IFoS Notification 2026 is now out on the official website at upsconline.nic.in.

→ UPSC Calendar 2026 has been released.

→ Check out the latest UPSC Syllabus 2026 here.

→ UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

→ Prepare effectively with Vajiram & Ravi’s UPSC Prelims Test Series 2026 featuring full-length mock tests, detailed solutions, and performance analysis.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2026 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s Best UPSC Mentorship Program for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

→ Shakti Dubey secures AIR 1 in UPSC CSE Exam 2024.

→ Also check Best UPSC Coaching in India

Tags: factual UPSC Prelims 2023 UPSC Prelims 2023 Question