Related Questions

Solvent used in extractive distillation
A Is of low volatility
B Forms a low boiling azeotrope
C Forms a high boiling azeotrope
D Does not alter the relative volatility of the original components
Entrainer used in azeotropic distillation should
A Form a low boiling azeotrope with one of the constituents of the mixture
B Form a new azeotrope of low relative volatility with one of the constituents of the mixture
C Have high latent heat of vaporisation
D Have high viscosity to provide high tray efficiency
In extractive distillation, solvent is
A Added to alter the relative volatility of the mixture
B Of high volatility
C Present in overhead stream
D Of high viscosity to give high tray efficiency
Azeotropic distillation is employed to separate
A Constant boiling mixture
B High boiling mixture
C Mixture with very high relative volatility
D Heat sensitive materials
For separating small pieces of metal from engine oil of a car, the best separating technique is the
A Chromatography
B Evaporation
C Filtration
D Fractional distillation
It is six months long day in the northern polar region and six months long night in the southern polar region because ________
A Earth is revolving around the sun
B Earth is inclined towards its orbital plane
C Earth is rotating
D None of these
Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about ________
A 22 km
B 36 km
C 41 km
D 53 km
The most common process of separating the many compounds present in crude petroleum is by-
A Distillation
B Synthesis
C Fermentation
D Galvanization
The need for investment advice from an insurance agent normally results from what overriding key factor?
A Absence of any long-term goals
B Inability to prioritise future financial needs
C Lack of market knowledge
D Shortage of available funds
The following compounds may be used as anti- cancer agents
A Actinomycin-D
B Methotrexate
C Chlorambucil
D Azathioprine
E Cyclosporin-A

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