Adsorption MCQ

Test your knowledge with important Adsorption MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Adsorption MCQs at Bissoy

• What are the applications of adsorption?
  ক

  Ability to recover solutes from the dilute solution

  খ

  Ability to recover solutes from the dilute solution, selective

  গ

  Cyclic

  ঘ

  Loss of biological activity
• Adsorption is influenced by ____________
  ক

  molecular weight, shape of ligand, polarity

  খ

  shape of ligand, polarity, charge

  গ

  polarity

  ঘ

  charge
• The release of adsorbed material from the adsorbent is referred to as ________
  ক

  absorption

  খ

  absorption

  গ

  desorption

  ঘ

  adsorbate
• Which is the selective form of adsorption in bioseparation engineering?
  ক

  Affinity binding

  খ

  Cooperative binding

  গ

  Hill binding

  ঘ

  Binding
• The solute binds on specific location on the surface of the adsorbent and is referred to as _________
  ক

  binding site

  খ

  ligand

  গ

  ligand or binding site

  ঘ

  site
• The separation of molecules from the mixture of molecules are achieved by the contacting of solution to ___________
  ক

  adsorbate

  খ

  absorbate

  গ

  absorbent

  ঘ

  adsorbent
• The molecule which binds on the adsorbent is referred as adsorbent.
  ক

  True

  খ

  False
• What is the major application of the process of adsorption in bioseparation engineering?
  ক

  Separation

  খ

  Separation of molecules

  গ

  Separation of molecules from a complex mixture of molecules

  ঘ

  Penetration of substance in solid surface
• Adsorption is the penetration of substances into the porous structure within the solid material.
  ক

  False

  খ

  True
• What is referred as adsorption, in bioseparation engineering?
  ক

  Binding of molecules

  খ

  Binding of molecules on surface of solid

  গ

  Binding of solid to liquid

  ঘ

  Binding
• Adsorption of methane follows the Langmuir adsorption isotherm at 90K. If p = 1.896cm3g-1bar-1 and b = 0.146bar-1. Calculate the value of θ.
  ক

  0.116 bar

  খ

  0.514 bar

  গ

  0.214 bar

  ঘ

  0.216 bar
• For an adsorbant-adsorbate system obeying the Langmuir adsorption isotherm, b = 0.48 bar-1 and p = 0.16 bar-1. At what pressure will 50% of the surface be covered?
  ক

  0.05 bar

  খ

  0.07 bar

  গ

  0.08 bar

  ঘ

  0.04 bar
• Which of the following is not characteristic of chemisorption?
  ক

  It is irreversible

  খ

  It is specific

  গ

  It is multilayer phenomenon

  ঘ

  Heat of adsorption is about 400kj
• Which of the following statements regarding the physical adsorption of a gas on surface of solid is not correct?
  ক

  On increasing temperature, adsorption increases continuously

  খ

  Enthalpy changes are negative

  গ

  Adsorption is specific

  ঘ

  It is reversible in nature
• Calculate the adsorption of a dye on activated carbon at 25°C, where k = 0.025, n = 0.5 and C = 0.04. Based on the Freundlich isotherm.
  ক

  0.050

  খ

  0.030

  গ

  0.040

  ঘ

  0.060
• Which type of isotherm is given from the figure, Choose from the following options?
  ক

  Type 1 Adsorption isotherm

  খ

  Type 2 Adsorption isotherm

  গ

  Type 3 Adsorption isotherm

  ঘ

  Type 4 Adsorption isotherm
• Which of the following isotherm is applicable to physical adsorption?
  ক

  Langmuir

  খ

  BET

  গ

  Freundlich

  ঘ

  Kisluik
• The desorption curve is higher than the adsorption curve.
  ক

  True

  খ

  False
• What do you mean by the term “Sorption”?
  ক

  Attachment

  খ

  Detachment

  গ

  Diffusion

  ঘ

  Thermal Expansion