Heavy water is qualified as heavy because it is Nuclear Engineering Mcqs October 1, 2019 BILAL KHATTAK0 A.a heavy liquid B.an oxide of a heavier isotope of oxygen C.denser than water D.an oxide of deuterium Related Mcqs: Heavy water used in nuclear reactors is BOD of a river water is found very high. This means water __________? The substance used as neutron moderator in nuclear reactors is LPG at normal atmospheric temperature and pressure is a Heavy water is obtained by Tritium is Water vapour is __________? Warm air tends to rise up through cold air because: If a centrifugal pump takes too much power, the cause may be The change of state of ice into water vapour is known as ____________.