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General Science • ChemistryEasy

What is the common chemical name for heavy water, which is used as a moderator in nuclear reactors?

A. Deuterium oxide✓ Correct Answer
B. Hydrogen peroxide
C. Tritium oxide
D. Calcium hydroxide

💡 Solution & Explanation

Heavy water is chemically deuterium oxide, represented as D2O, where hydrogen is replaced by its heavier isotope deuterium containing one proton and one neutron. It acts effectively as a neutron moderator in certain types of nuclear reactors to slow down fast neutrons.

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