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Q71 (IAS/2026) Science & Technology › New Materials, Energy & Environment-linked Tech Official Key

Which of the following statements with regard to Green Hydrogen is/are correct?
1. It is decarbonized hydrogen obtained from natural gas reforming combined with carbon capture and storage (CCS).
2. It is produced using electrolysis of water with electricity generated by renewable energy.
3. National Green Hydrogen Mission of India aims for abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030.
Select the answer using the code given below:

Result
Your answer: —  ·  Correct: B

Explanation

Statement 1 is incorrect: Hydrogen produced from natural gas reforming combined with carbon capture and storage (CCS) is known as Blue Hydrogen, not Green Hydrogen.

Statement 2 is correct: Green Hydrogen is produced by splitting water into hydrogen and oxygen using an electrolyzer powered by renewable energy sources (like solar or wind). This process results in zero carbon emissions.

Statement 3 is correct: The National Green Hydrogen Mission, launched by the Government of India, aims to develop a green hydrogen production capacity of at least 5 MMT per annum by 2030. One of its key expected outcomes is the abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030, along with a cumulative reduction in fossil fuel imports of over ₹1 lakh crore.

Therefore, only statements 2 and 3 are correct.

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PROVENANCE & STUDY PATTERN

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Don’t just practise – reverse-engineer the question. This panel shows where this PYQ came from (books / web), how the examiner broke it into hidden statements, and which nearby micro-concepts you were supposed to learn from it. Treat it like an autopsy of the question: what might have triggered it, which exact lines in the book matter, and what linked ideas you should carry forward to future questions.
Which of the following statements with regard to Green Hydrogen is/are correct? 1. It is decarbonized hydrogen obtained from natural gas ref…
At a glance
Origin: Books + Current Affairs Fairness: Moderate fairness Books / CA: 6.7/10 · 3.3/10
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This is a highly predictable, medium-difficulty question. The 'colors of hydrogen' and the National Green Hydrogen Mission (NGHM) are staple topics in both Environment (Shankar IAS) and Economy (Nitin Singhania). Missing this means you are ignoring core government missions and basic energy transition concepts.

How this question is built

This question can be broken into the following sub-statements. Tap a statement sentence to jump into its detailed analysis.

Statement 1
Is green hydrogen produced from natural gas reforming combined with carbon capture and storage (CCS)?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable
Web / Current Affairs
www.iea.org Standard ref
Presence: 5/5
Why this source?
  • Explicitly distinguishes between Green and Blue hydrogen production methods.
  • Defines Green hydrogen as produced via electrolysis using renewable energy.
  • Defines Blue hydrogen as produced from natural gas or coal gasification combined with CCS.
psa.gov.in Primary · Govt
Presence: 5/5
"For instance, green hydrogen is produced using renewable power as the energy source to electrolyze water. Blue hydrogen is produced mainly from natural gas, using a process called steam reforming, with hydrogen and CO2 as outputs wherein CO2 must be captured using CCUS."
Why this source?
  • Provides a clear nomenclature for hydrogen based on production processes.
  • Confirms that natural gas reforming with CCS results in 'Blue hydrogen', not 'Green hydrogen'.
  • States that Green hydrogen specifically requires renewable power and water electrolysis.
www.pib.gov.in Primary · Govt
Presence: 5/5
"Green Hydrogen is Hydrogen produced using renewable energy, such as solar or wind power, instead of fossil fuels. In this process, water is split into hydrogen and oxygen through electrolysis, using electricity from solar panels or wind turbines."
Why this source?
  • Official Indian government definition of Green Hydrogen.
  • Specifies the production pathway as electrolysis of water using renewable energy.
  • Mentions the emission threshold (2 kg CO2 eq/kg H2) but maintains the renewable electrolysis requirement.
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