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Question
The 'coolants' which can be used in the reactor of a nuclear power station are:
(a) liquid mercury and nitrogen dioxide
(b) liquid sodium and carbon dioxide
(c) liquid ammonia and carbon monoxide
(d) liquid boron and uranium oxide
Solution
liquid sodium and carbon dioxide
Liquid sodium and carbon dioxide are used in order to transfer the heat produced in the reactor by fission to the heat exchanger, for converting water into steam.
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