Adsorption is a unit operation which generally involves __________ systems. (A) Liquid-solid (B) Gas-solid (C) Fluid-solid (D) Solid-solid

Adsorption is a unit operation which generally involves __________
systems.
(A) Liquid-solid
(B) Gas-solid
(C) Fluid-solid
(D) Solid-solid
by

1 Answer

Answer :

(C) Fluid-solid
by

Related questions

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Hypersorption refers to a __________ process. (A) Fixed bed absorption (B) Moving bed absorption (C) Fixed bed adsorption (D) Moving bed adsorption

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__________ is the separation technique used for desalination of sea water.(A) Thermal diffusion (B) Reverse osmosis (C) Adsorption (D) Absorption

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Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysteresis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. (A) Lower than (B) Higher than (C) Same as (D) Either same or higher than

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In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. (A) 100 (B) 1000 (C) 10000 (D) 100000

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The space time is equivalent to the holding time in a steady state mixed reactor for (A) Non-isothermal gas reaction (B) Variable fluid density systems (C) Constant fluid density systems(D) Gas reactions with changing number of moles

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Bog iron used for the adsorption of H2S from coke oven gas is (A) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) (B) Iron impregnated with resin (usually Bakelite) (C) Carbon free iron (D) None of these

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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

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Coke oven gas is stripped of its H2S and mercaptans content by (A) Absorption in wash oil (B) Adsorption on bog iron bed (C) Bubbling it through dilute sulphuric acid (D) Adsorption on silica gel

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Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by (A) Adsorption on palladium (B) Cryogenic operations (low temperature cooling) (C) Absorption (using ethanolamine or pyrogallol solution) (D) None of these

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