Science & Technology Practice Question›› General Science ››
Hydrogen Energy
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White Hydrogen Benefits
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Question 1
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Consider the following statements regarding the benefits of white hydrogen:
1. It is an abundant and renewable energy source.
2. It produces no carbon dioxide emissions when used as fuel.
3. It is cheaper and more efficient than electrolysis.
How many of the above statements are correct?
(a) Only one
(b) Only two
(c) All three
(d) None
Explanation
White hydrogen, also known as natural hydrogen, is a naturally occurring form of hydrogen gas found in underground deposits. It is produced through geochemical processes involving water-rock reactions within the Earth's crust. This form of hydrogen offers several benefits:
Abundant and Renewable Source of Energy:White hydrogen is continuously generated within the Earth's crust through natural processes, making it an abundant and renewable energy source. Unlike fossil fuels, which take millions of years to form, white hydrogen is replenished over time, offering a sustainable energy option. Hence, statement 1 is correct.
No Carbon Dioxide Emissions When Used as a Fuel:When burned or utilized in fuel cells, white hydrogen produces only water vapor as a byproduct, emitting no carbon dioxide or other greenhouse gases. This characteristic makes it an environmentally friendly alternative to fossil fuels . Hence,statement 2 is correct.
Cheaper and More Efficient Than Electrolysis:The production of white hydrogen does not require the energy-intensive processes associated with electrolysis, which is used to produce green hydrogen. As a result, white hydrogen can be more cost-effective and efficient, potentially offering a cheaper alternative to electrolysis-based hydrogen production. Hence, statement 3 is correct.
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