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    Question

    In a nuclear reactor, one of the following is used as a

    fuel.
    A Coal Correct Answer Incorrect Answer
    B Uranium Correct Answer Incorrect Answer
    C Radium Correct Answer Incorrect Answer
    D Diesel Correct Answer Incorrect Answer

    Solution

    Many contemporary uses of uranium exploit its unique nuclear properties. Uranium-235 has the distinction of being the only naturally occurring fissile isotope. Uranium-238 is fissionable by fast neutrons, and is fertile, meaning it can be transmuted to fissile plutonium-239 in a nuclear reactor. Another fissile isotope, uranium-233, can be produced from natural thorium and is also important in nuclear technology.

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