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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.
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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
- If the energy of a photon is given as : =3.03 × 10⁻¹⁹J then, the wavelength (λ)
- What is the mass of the precipitate formed when 50 mL of 16.9% solution of AgNO₃
- Hydrogen cannot be obtained by
- Ziegler Natta catalyst is an organometallic compound containing
- The momentum of a particle having a de Broglie wavelength of 10⁻¹⁷metres 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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