Civil Services APPSC Group I Services Prelims Mock Test Series 2025 Current Affairs Science and Technology
With reference to different types of hydrogen based on production methods, consider the following statements:
1. Green hydrogen is produced using renewable energy sources, resulting in zero carbon emissions.
2. Grey hydrogen is produced from natural gas, with carbon dioxide being a by-product.
3. Blue hydrogen is produced from fossil fuels but includes carbon capture and storage (CCS) to reduce emissions.
Which of the statements given above is/are correct?
1
1 only
2
2 and 3 only
3
1, 2, and 3
4
1 and 3 only