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प्रश्न
Which of the following is not a favourable condition for physical adsorption?
विकल्प
High pressure
Negative ∆H
Higher critical temperature of adsorbate
High temperature
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उत्तर
High temperature
Explanation:
Physical adsorption is favoured at low temperature.
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संबंधित प्रश्न
Write the differences between physisorption and chemisorption with respect to the following:
(i) Specificity
(ii) Temperature dependence
(iii) Reversibility and
(iv) Enthalpy change
Differentiate between adsorbtion and absorption.
Give reason why a finely divided substance is more effective as an adsorbent.
Discuss the effect of temperature on the adsorption of gases on solids.
Write one similarity between Physisorption and Chemisorption
How does chemisorption vary with temperature?
Which of the following is an example of physisorption?
In physisorption, adsorption is generally ____________.
The extent of adsorption increases with the ____________.
In physisorption adsorbent does not show specificity for any particular gas because ______.
Why is chemisorption referred to as activated adsorption?
Assertion: Detergents with low CMC are more economical to use.
Reason: Cleansing action of detergents involves the formation of micelles. These are formed when the concentration of detergents becomes equal to CMC.
Which among the following is a false statement?
In physical adsorption, gas molecules are bound on the solid surface by
Chromatography is based on:-
Adsorption play no role in:-
Which of the following statements is not true about physisorption?
