WorksheetsPT317_day10_class roll 009_distillation
Total questions: 14
Worksheet time: 7mins
Steam distillation is used to
Reduce the number of plates
Avoid thermal decomposition of a
component
Increase the total pressure of distillation
Increase the efficiency of separation
The intersecting point indicate what?
Feed plate
1st plate in the rectification column
Lat plate of the rectification column
The plate which (n-1)
In rectification column if we consider any plate as N then the plate below the plate known as
N-1
N-N
N+1
N+N
Vacuum distillation avoids
Boiling
Decomposition
Heat
Energy
The application of Molecular distillation
Separation, Purification and concentration of natural products
Mixing
Both
None
In vacuum distillation ,substance boils at a/an
Exact temperature
High pressures
Temperature below its boiling point
Temperature slightly above its boiling point
Steam distillation is used to______________________
Reduce the number of plates
Avoid thermal decomposition of
component
Increase the efficiency of separation
Increase the total pressure of distillation
Mole fraction of more volatile component in liquid phase in
distilLate(d) is represented as
Xd
YD
AD
WD
q/q-1 it is the equation of
1st operating line
2nd operating line
3rd operating line
Q line
Steam Distillation is a separation process for temperature
sensitive substances.
True
False
In steam distillation, the
Temperature is 100°C
Temperature is more than 100° C
Product must be immiscible with water
Temperature is higher than the boiling
point of either component
If the amount of the steam used in steam distillation is
increased, the temperature of distillation__________________?
Increase
Decrease
Remains unchanged
Depends on relative volatility
Molecular distillation is
High temperature distillation
For heat-sensitive materials
Very low pressure distillation
Both B and C
In vacuum distillation ,substance boils at a/an
Temperature slightly above its boiling point
Exact temperature
Temperature below its boiling point
High pressures
