Multiple choice

What is cold fusion?

  1. Hypothetical nuclear fusion reaction, which can take place at the poles.

  2. A name given to an under-research fusion reaction, which produces cheap and abundant energy.

  3. Hypothetical nuclear fusion reaction, which can take place at room temperature.

  4. A low energy generating nuclear fission reaction.
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C Correct answer
Explanation

Cold fusion is a hypothetical type of nuclear reaction that would occur at or near room temperature compared with temperatures (in the millions of degrees), which is required for hot fusion. Cold fusion gained attention after reports in 1989 by Stanley Pons and Martin Fleischmann, then one of the world's leading electrochemists.

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