Alternative Energy: Hydrogen Fuel Cells

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| By Lockmaster
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Lockmaster
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Quizzes Created: 3 | Total Attempts: 1,812
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  • 1/5 Questions

    A single fuel cell consists of an electrolyte sandwiched between two electrodes, an anode and a cathode.

    • True
    • False
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About This Quiz

How much do you know about fuel cells? Care to test your knowledge?  

Alternative Energy: Hydrogen Fuel Cells - Quiz

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  • 2. 

    Hydrogen is limitless.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Hydrogen is not limitless. While hydrogen is the most abundant element in the universe, it is mostly found in combination with other elements such as oxygen in water or carbon in hydrocarbons. It takes energy and resources to extract hydrogen from these compounds, and the process is not currently sustainable or cost-effective at a large scale. Therefore, hydrogen is not limitless and its availability is dependent on the availability of other compounds from which it can be extracted.

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  • 3. 

    _____________ can power almost any portable application that typically uses batteries, from hand-held devices to portable generators.

    Correct Answer
    fuel cells
    Fuel Cells
    Fuel cells
    Explanation
    Fuel cells can power almost any portable application that typically uses batteries, from hand-held devices to portable generators. Fuel cells are devices that convert chemical energy from a fuel source into electrical energy through a chemical reaction. They are highly efficient and can provide a continuous source of power without the need for recharging or replacing batteries. Fuel cells have a wide range of applications and are particularly useful in situations where a reliable and long-lasting power source is required.

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  • 4. 

    The main issue about hydrogen as an alternative energy source is:

    • Its destructive capacity

    • Process of separating it from other elements

    • The cost of refinement

    • Its large mass

    Correct Answer
    A. The cost of refinement
    Explanation
    The main issue about hydrogen as an alternative energy source is the cost of refinement. While hydrogen is a clean and abundant energy source, it requires a complex and expensive process to separate it from other elements and refine it for use. This cost of refinement poses a significant challenge in making hydrogen a viable alternative to traditional energy sources.

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  • 5. 

    These two basic elements are needed to make fuel cells work

    • Hydrogen

    • Oxygen

    • Water

    Correct Answer(s)
    A. Hydrogen
    A. Water
    Explanation
    Fuel cells work by converting chemical energy from a fuel source into electrical energy. In this case, the two basic elements needed are hydrogen and water. Hydrogen acts as the fuel source, while water is used as a reactant in the fuel cell. The process involves the splitting of water molecules into oxygen and hydrogen gas, with the hydrogen gas being used as the fuel in the fuel cell. Therefore, both hydrogen and water are essential for the functioning of fuel cells.

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  • Mar 22, 2023
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  • Feb 12, 2012
    Quiz Created by
    Lockmaster
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