Related Questions

Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
A Cost
B Availability
C Toxicity
D Selectivity
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
Ordinary diffusion process is also called __________ diffusion.
A Pressure
B Thermal
C Concentration
D Forced
Simple diffusion and facilitated diffusion share the following characteristics
A Do not require ATP
B Saturation kinetics
C Transport solute along concentration gradient
D Can be blocked by specific inhibitors
E Require transport protein
Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as
A Sheradising
B Parkerising
C Anodising
D None of these
Iron has got __________ isotopes.
A No
B Four
C Three
D Two
Separation of isotopes is generally done using a/an __________ centrifuge.
A Ultra
B Disk-bowl
C Both A & B
D Neither A nor B
Hydrogen has __________ isotopes.
A No
B One
C Two
D Three
Gizzlies are used for separating __________ solids.
A Coarse
B Fine
C Any size
D None of these
Artificially produced radioactive isotopes are used for
A power generation
B treatment of certain diseases
C initiating nuclear fission & fusion
D all A, B & C

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