GENERAL KNOWLEDGE

Detailed explanation-1: -Heavy water is a compound that is made up of oxygen and deuterium, a heavier isotope of hydrogen which is denoted by ‘2H’ or ‘D’. Heavy water is also called deuterium oxide and is denoted by the chemical formula D2O.

Detailed explanation-2: -Properties of Hard Water and Heavy Water It contains both Hydrogen atoms and Deuterium atoms forming the water molecules having the molecular formula as D2O (Deuterium Oxide) and HDO (Hydrogen-Deuterium Oxide).