A teacher one day pointed out to his students the peculiar fact that water is a unique liquid which freezes exactly at `0^(@)C`.and boils exactly at `100^(@)C`. He asked the students to find the correct statement based on this fact.
A. Water dissolves anything, however sparingly the dissolution maybe.
B. Water is a polar molecule.
C. Boiling and freezing temperatures of water were used to define a temperature scale.
D. Liquid water is denser than ice.