Fractional Distillation Flashcards
Fractional distillation is a process of separation of ____________
a) 2 miscible liquids
b) 2 immiscible liquids
c) 1 miscible and 1 immiscible liquid
d) None of the mentioned
a) 2 miscible liquids
The difference in boiling point of 2 liquid in fractional distillation is ____________
a) Greater than 25 K
b) Less than 25 K
c) Equal to 25 K
d) None of the mentioned
b) Less than 25 K
A simple fractional tube is packed with ____________
a) Wooden beads
b) Plastic beads
c) Metal beads
d) Glass beads
d) Glass beads
Fractional distillation is different from distillation because of the presence of
____________
a) Fractionating column
b) Condenser
c) Distillation flask
d) Conical flask
a) Fractionating column
The beads are provided in fractional column for ____________
a) Vapours to generate
b) Vapours to condense
c) Vapours to evaporate
d) All of the mentioned
b) Vapours to condense
Select the incorrect statement from the following options.
a) Fractionating columns are available in various design and size
b) Fractionating columns are available according to one fixed standard
c) A simple fractionating column is a tube packed with glass beads
d) Fractional distillation is the process of separation of different gases from air
b) Fractionating columns are available according to one fixed standard
Which of the following gases cannot be separated from air using fractional
distillation?
a) Argon
b) Oxygen
c) Helium
d) Nitrogen
c) Helium
Initially, the temperature at the top of the column is _______________ than at its
bottom.
a) Greater
b) Lesser
c) Equal
d) None of the mentioned
b) Lesser
Which of the following is more suitable for fractional distillation process?
a) Oil bath
b) Water bath
c) Glycerine bath
d) None of the mentioned
a) Oil bath
10.Number of steps required for the separation of two liquids in fractional distillation
is _________
a) 1
b) 2
c) 3
d) 4
b) 2
