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Hydrogen PPT Chemistry Class 11

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FAQs on Hydrogen PPT Chemistry Class 11

1. What is hydrogen?
Ans. Hydrogen is the chemical element with the atomic number 1, represented by the symbol H. It is the lightest and most abundant element in the universe, commonly found in water molecules and organic compounds.
2. How is hydrogen produced?
Ans. Hydrogen can be produced through various methods such as steam methane reforming, electrolysis of water, and coal gasification. The most common industrial method is steam methane reforming, which involves reacting natural gas with steam to produce hydrogen and carbon dioxide.
3. What are the main uses of hydrogen?
Ans. Hydrogen has various applications, including fuel for transportation, energy storage, and industrial processes. It is commonly used in fuel cells to generate electricity, as a feedstock in the chemical industry, and as a reducing agent in metallurgical processes.
4. Is hydrogen a clean fuel?
Ans. Hydrogen is considered a clean fuel as it produces only water vapor as a byproduct when used in fuel cells. However, the production of hydrogen itself may involve carbon emissions depending on the method used. Renewable methods of hydrogen production such as electrolysis using renewable electricity are considered more environmentally friendly.
5. What are the challenges of hydrogen adoption?
Ans. The widespread adoption of hydrogen faces challenges such as high production costs, limited infrastructure for storage and distribution, and safety concerns related to its storage and transportation. Additionally, the efficiency of hydrogen production processes and the availability of renewable energy sources for its production need to be addressed for sustainable hydrogen adoption.
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