Steam methane reforming technique is used to obtain
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Correct Answer: Option B
Detailed Explanation:
Steam Methane Reforming (SMR) reacts natural gas (methane) with high-temperature steam to produce hydrogen and carbon dioxide (CO₂) as a by-product.
Since the process emits CO₂ without carbon capture, the hydrogen produced is classified as Grey Hydrogen. Brown Hydrogen comes from coal gasification, while Green Hydrogen is produced via water electrolysis using renewable energy with zero emissions.
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