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If the adsorbate is held on a surface by weak Van der Walls forces, the absorption process is called
Options
(a) physical adsorption
(b) chemical adsorption
(c) heat of adsorption
(d) enthalpy of adsorption
Correct Answer:
physical adsorption
Explanation:
Particles of the adsorbate are held to the surface of the adsorbent by the physical forces such as van der waals forces, the adsorption is called physical adsorption or physisorption. physical adsorption acan be easily reversed or decreased.
Related Questions: - H₂ will not reduce which of following oxide?
- In which process,fused sodium hydroxide is eletrolysed at a 330⁰C temperature
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- H₂ will not reduce which of following oxide?
- In which process,fused sodium hydroxide is eletrolysed at a 330⁰C temperature
- Which of the following compounds is the strongest base
- The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹
- The electronic configuration of gadolinium (Atomic No.64) is
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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