Related Questions

Enrichment of uranium is done to increase the concentration of __________ in the natural uranium.
A U-235
B U-233
C U-238
D PU-239
Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is
A 0.1
B 1
C 3
D 12
Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as
A Sheradising
B Parkerising
C Anodising
D None of these
The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called
A Operational yield
B Relative yield
C Selectivity
D None of these
Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher
A Melting point, hence can be subjected to higher temperature
B Density ; hence core volume for a given power output would be smaller
C Resistance to effects of irradiation
D All of the above
Ordinary diffusion process is also called __________ diffusion.
A Pressure
B Thermal
C Concentration
D Forced
Separation of __________ employs gaseous diffusion process.
A N2 and O2 from air
B Isotopes of uranium
C Isotopes of helium
D SO2 and air
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
Gaseous diffusion co-efficient increases with increase in the
A Pressure
B Temperature
C Both A & B
D Neither A nor B
What is meant by enrichment of "heart"?
A Enrichment to head, hand and mind in a harmonious way
B Enrichment of reading, writing and Arithmatic
C Enrichment of moral values for his profession
D Enrichment of hand and intellectuality

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