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Heavy water is so called because it contains
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- Heavy isotope of hydrogen
- Heavy isotope of oxygen
- Mole number of hydrogen atoms
- Mole number of oxygen atoms
- Heavy isotope of hydrogen
Correct Option: A
Heavy water, formally called deuterium oxide, is a form of water that contains a larger than normal amount of the hydrogen isotope deuterium, (also known as "heavy hydrogen") rather than the common hydrogen-1 isotope that makes up most of the hydrogen in normal water.
