Heavy water is that water
- AThe temperature of which is kept constant at 4°C
- BIn which insoluble salts of Calcium and Potassium are present
- CIn which isotopes takes the place of Hydrogen
- DIn which isotopes takes the place of Oxygen
Show answer and explanation
Correct answer: (c) In which isotopes takes the place of Hydrogen
Explanation
Heavy water (D₂O) is water in which ordinary hydrogen is replaced by its heavier isotope deuterium (²H).
It is about 10% denser than ordinary water and is used as a moderator and coolant in nuclear reactors.