Current Affairs Question - 25 June 2021
National Environmental Pollution, Degradation & Climate Change
Hydrogen Production
Consider the following hydrogen production options:
- Blue hydrogen is made from CH4 where CO2 is captured and stored.
- Green Hydrogen is made from renewable energy and no CO2 is emitted.
- Brown Hydrogen is made from coal where CO2 is emitted to the atmosphere.
- Grey hydrogen is made from CH4 and CO2 is captured and liquefied.
Which of the above statements are correct?
| A |
1, 2 and 3 only
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| B |
1, 2 and 4 only
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| C |
2, 3 and 4 only
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| D |
All are correct
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