Related Questions

Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when
A Extracting solvent is cheaply & abundantly available
B One of the liquid components is heat sensitive
C Viscosity of liquid components is very high
D One of the liquid components has very high affinity towards the solvent
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)
A Increases
B Decreases
C Remains unaffected
D Increases Linearly
Extraction of pencillin employs a __________ extraction coloumn.
A Centrifugal
B Packed
C Plate
D None of these
The solvent used in liquid-liquid extraction should have __________ less than one.
A Selectivity
B Distribution co-efficient
C Both A & B
D Neither A nor B
Which of the following equipments is not used in liquid-liquid extraction?
A Pachuka tank
B Agitated vessels
C Centrifugal extractors
D Packed towers
In liquid-liquid extraction, the number of phases at plait point is
A 1
B 2
C 3
D 4
Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?
A Packed towers
B Plate towers
C Spray towers
D Wetted wall columns
A coalescer in a mixer-settler liquid-liquid extraction coloumn
A Comprises of thin bed of substances of extended surface having high porosity
B Helps in increasing the bubble size entering the settler
C Helps in increasing the settling rate of the bubbles
D All of the above
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about
A 0.1
B 1
C 2.5
D 3.5
Sulphur Dioxide pollution is indicated by an excessive growth of which of the following?
A Algal Blooms
B Lichens
C Bryophytes
D Protozoa

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