Heavy water is

Options

(a) water containing sulphate of Ca and Mg
(b) water containning heavy ion
(c) water at 4° C
(d) D₂O

Correct Answer:

D₂O

Explanation:

Heavy water D₂O. It contains deuterium, heavier isotope of hydrogen. Heavy water is finding increasing applications in scientific research and as a neutron moderator for slowing down the neutrons in nuclear reactions.