Question 41 : Adsorption process must be
1. Endoethrgic
2. Endothermic
3. Exothermic
4. None
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Question 42 : Langmuir isotherm Mathematical relation for ___________ that takes place at equilibrium.
1. Absorption
2. Adsorption
3. Both Adsorption and Absorption
4. None of the mentioned
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Question 43 : Which of the following gases is adsorbed by charcoal?
1. NH₃
2. H₂
3. N₂
4. CO₂
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Question 44 : The extent of adsorption of a gas on a solid depend on
1. Nature of gas
2. Pressure of gas
3. Temperature of the system
4. All of the mentioned
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Question 45 : Adsorption when interaction between the solid and the condensed molecules is relatively strong as contrasted with physical adsorption.
1. Absorption
2. Adsorption
3. Chemisorption
4. None of the mentioned
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Question 46 : Adsorbent is a solid surface on which gas or liquid molecules condense to form a film.
The above given statement is
1. Correct
2. Incorrect
3. Partially correct
4. None of the mentioned
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Question 47 : The physical process that occurs when gas or liquid molecules are brought into contact with a solid surface and condense on the surface
1. Absorption
2. Adsorption
3. Both Adsorption and Absorption
4. None of the mentioned
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Question 48 : Physical adsorption increase with _________ in temperature.
1. Increase
2. Decrease
3. Neither increase nor decrease
4. None of the mentioned
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Question 49 : Mechanical energy is completely convertible by a __________engine from one form to another within the class.
1. Reversible
2. Irreversible
3. Steady
4. None of the mentioned
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Question 50 : Mechanical form of energy is
1. Work
2. Kinetic energy
3. Potential energy
4. All of the mentioned
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