$\text{ Separation of }{\mathrm{H}}_2\mathrm{O}\text{ and }{\mathrm{D}}_2\mathrm{O}\text{ by fractional distillation is possible because }{\mathrm{D}}_2\mathrm{O}\text{ has }$

$\text{ higher B.P. than that of }{H}_{2}O$

$\text{ lower dielectric constant than that of }{\mathrm{H}}_2\mathrm{O}$

$\text{ higher density than that of }{\mathrm{H}}_2\mathrm{O}$

$D_{2}O\text{ has higher freezing point }$