Question

What is the difference between water and heavy water?​

Answer 1

Answer:

Heavy water is also water, but it contains a higher proportion of the hydrogen isotope – deuterium. Two hydrogen atoms and one oxygen atom makes a water molecule. Deuterium is very much the same as that of normal hydrogen, but contains an extra neutron.

Answer 2

Answer:

water is made up of protium whose composition is H2O

while heavy water is made up of deuterium having same composition but different isotope of hydrogen D2O