Question

Heavy water usually refers to water that : (A) has been frozen, and so is more dense (B) has had its hydrogen removed (C) is radioactive (D) contains deuterium

Answer 1

Heavy water usually refers to water that contains deuterium.

Answer 2

Option (D)

Step-by-step explanation:

The chemical formula for normal water is H2O and the chemical formula for heavy water is D2O.

Where D is deuterium which is the isotope of hydrogen.

There are three isotopes of hydrogen.

1H1 it is called protium.

1H2 it is called deuterium.

1H3 it is called tritium.