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Green hydrogen is produced by electrolysis of water using electricity from:
- Coal power plants
- Natural gas reforming
- Renewable energy sources
- Nuclear power
Answer: Renewable energy sources
Green H₂: water electrolysis powered by solar/wind yields zero-carbon fuel. Critical for decarbonizing steel, ammonia, heavy transport. India's National Green Hydrogen Mission targets cost reduction and scale-up. [[MNRE Reports, NCERT Chemistry Class 11]]