Q. Pick out the wrong statement:

(A) Reboiler is not used in open steam distillation

(B) The separation of solutes of different molecular sizes in a liquid solution by use of a suitable membrane is called dialysis

(C) Freeze drying is used for the drying of fish

(D) Fenske-Underwood equation is used for calculating theoretical number of plates in a distillation column at normal operating reflux condition