question_answer

The value of ...... is less for \[{{\text{D}}_{\text{2}}}\text{O}\]compared to that of \[{{\text{H}}_{\text{2}}}\text{O}\text{.}\]

A)  density \[(g.m{{L}^{-1}})\]) at \[\text{20}{{\,}^{\text{o}}}\text{C}\]

B)  boiling point

C)  dielectric constant at \[\text{20}{{\,}^{\text{o}}}\text{C}\]

D)  latent heat of vaporisation \[(J.{{g}^{-1}})\]