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WorksheetsUNIT I & II
Total questions: 10
Worksheet time: 8mins
Which one (adsorbent) of the following is an example for Type - III Adsorption Isotherm
Nitrogen (or) hydrogen gas on the surface of charcoal at - 180 °C
Bromine gas on silica gel at 80° C
Benzene gas onsilica gel at 50 °C
Bromine gas on silica gel at - 180 °C
The residual hardness in ion - exchange process is ...
0 - 2 ppm
5 - 10 ppm
10 - 15 ppm
20 - 30 ppm
The exhausted cationic exchange column is regenerated by using a solution of...
Dil. HCI
Dil. NaCl
Con. HCl
Con. NaCl
Ion free water coming out from the exchanger is known as...
Potable water
Disinfected water
Coagulated water
De-minaralized water
R. O. Membrane are made of...
Cotton
Silk
Polymer
Cellulose acetate
Both (c) & (d)
Which one of the following is not characteristics of Chemisorption?
It's ir-reversible
Highly specific one
It's a multilayer phenomenon
Heat of Adsorption is about 400 kJ / mol
Which of the following is not an adsorbent ?
Activated Carbon
Resins
Mica
Oxygen gas
What do you mean by term sorption?
Attachment
Detachment
Diffusion
Thermal Expansion
Which one of the following isotherm is applicable to physical Adsorption?
Langmuir Adsorption Isotherm
Brunner -Emmet-Teller Adsorption Isotherm
Freundlich Adsorption Isotherm
Kisluik Adsorption Isotherm
Which one of the following statement regarding the physical Adsorption of a gas on the surface of solid is not correct?
On increasing temperature; Adsorption increases continuously
Enthalpy changes are negative
Adsorption is specific
It's reversible in nature
