11. Co-current absorbers are usually used when the gas to be dissolved in the liquid is
12. The overall mass transfer co-efficient for the absorption of SO2 in air with dilute NaOH solution can be increased substantially by
13. The diffusion co-efficient in m2/s. of acetic acid in benzene (liquid in liquid) is
14. The relative saturation of a partially saturated mixture of vapour and gas can be increased by __________ of the mixture.
15. Experimental determination of __________ is done by wetted wall column method.
16. Powdery materials can be guarded against caking tendency on storage by
17. Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a __________ coloumn.
18. The equilibrium liquid composition compared to the vapor composition in case of azeotropic mixture is
19. When the gas to be dissolved in liquid is a/an __________ then normally co-current adsorber are used.
20. Coffee is prepared from coffee beans by leaching with
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