A. Bone charcoal
B. Wood charcoal
C. Silica gel
D. Activated clay
Related Mcqs:
- Leaching of sugar from sugar beets is done by___________________?
A. Hot water
B. Hexane
C. Dilute H2SO4
D. Lime water - Which of the following adsorbent is used to decolourise yellow glycerine ?
A. Silica gel
B. Alumina
C. Fuller’s earth
D. Activated carbon - The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the_________________?
A. Differential heat of adsorption
B. Heat of wetting
C. Integral heat of adsorption
D. None of these - With the lowering of equilibrium pressure, at a given temperature, the amount of adsorbate on the adsorbent ?
A. Increases
B. Decreases
C. Remain same
D. Either A. or B., depends on the system - At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbent __________________?
A. Increases
B. Decreases
C. Remains unchanged
D. Increases exponentially - As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches ____________________?
A. That of normal condensation
B. Integral heat of adsorption
C. Zero
D. None of these - The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or “outgassed” adsorbent to from a definite concentration of adsorbate is called its_____________________?
A. Integral heat of adsorption
B. Heat of wetting
C. Differential heat of adsorption
D. Heat of normal condensation - Large scale drying of sugar is done in a _______________ dryer?
A. Spouted bed
B. Tray
C. Rotary
D. Truck - Which of the following processes is not an example of adsorption applied to gaseous separations ?
A. Recovery of valuable solvent vapors from dilute mixture with air and other gases
B. Dehumidification of air and gas
C. Removal of objectionable odour and impurities from industrial gases
D. Decolouration of yellow glycerine - Which of the following is a suitable absorbent for removal of H2S from natural gas ?
A. Vetrocoke solution
B. Monoethanolamine (MEA)
C. Dilute
D. Hot water
