Related Questions

The cuprous chloride used in orsat apparatus can absorb
A Only CO
B Both CO and CO2
C Both CO and O2
D All of the above
Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in
A KOH
B Ammoniacal cuprous chloride
C Pyrogallol solution
D None of these
What is the valency of copper in cuprous oxide?
A 1
B 2
C 3
D 4
A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?
A 1.25%
B 3.75%
C 6.25%
D 6.67%
Selectivity of the solvent used in solvent extraction should be
A 1
B > 1
C 0
A receiver has poor IF selectivity. It will therefore also have poor
A Blocking
B Double-spotting
C Diversion reception
D Sensitivity
The superhetrodyne principle provides selectivity at ___________ stage
A RF
B IF
C audio
D Before RF
If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling
A Loose
B Tight
C Critical
D None of the above
In which of the following unit operations, the selectivity is an important parameter?
A Distillation
B Solvent extraction
C Absorption
D None of these
In liquid extraction, if the selectivity is unity, then
A Separation of the constituents is the most effective
B No separation will occur
C Amount of solvent required will be minimum
D Solvent flow rate should be very low

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