MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Adsorption process must be |
| A. | Endoethrgic |
| B. | Endothermic |
| C. | Exothermic |
| D. | None |
| Answer» D. None | |
| 2. |
Langmuir isotherm Mathematical relation for ___________ that takes place at equilibrium. |
| A. | Absorption |
| B. | Adsorption |
| C. | Both Adsorption and Absorption |
| D. | None of the mentioned |
| Answer» C. Both Adsorption and Absorption | |
| 3. |
Adsorbent is a solid surface on which gas or liquid molecules condense to form a film.The above given statement is |
| A. | Correct |
| B. | Incorrect |
| C. | Partially correct |
| D. | None of the mentioned |
| Answer» B. Incorrect | |
| 4. |
In Langmuir’s model of adsorption of a gas on a solid surface the mass of gas striking a given area of surface is ______________to the pressure of the gas. |
| A. | Proportional |
| B. | Anti proportional |
| C. | Independent |
| D. | None of the mentioned |
| Answer» B. Anti proportional | |
| 5. |
ADSORPTION_PROCESS_MUST_BE?$ |
| A. | Endoethrgic |
| B. | Endothermic |
| C. | Exothermic |
| D. | None |
| Answer» D. None | |
| 6. |
Langmuir isotherm Mathematical relation for ___________ that takes place at equilibrium? |
| A. | Absorption |
| B. | Adsorption |
| C. | Both Adsorption and Absorption |
| D. | None of the mentioned |
| Answer» C. Both Adsorption and Absorption | |
| 7. |
Which of the following gases is adsorbed by charcoal? |
| A. | NH<sub>3</sub> |
| B. | H<sub>2</sub> |
| C. | N<sub>2</sub> |
| D. | CO<sub>2</sub> |
| Answer» B. H<sub>2</sub> | |
| 8. |
The extent of adsorption of a gas on a solid depend on |
| A. | Nature of gas |
| B. | Pressure of gas |
| C. | Temperature of the system |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
The gas molecules are held on solid surface by _________ in physical adsorption. |
| A. | Chemical forces |
| B. | Gravitational forces |
| C. | Electrostatic forces |
| D. | Vander Waal’s forces |
| Answer» E. | |
| 10. |
Adsorption when interaction between the solid and the condensed molecules is relatively strong as contrasted with physical adsorption. |
| A. | Absorption |
| B. | Adsorption |
| C. | Chemisorption |
| D. | None of the mentioned |
| Answer» C. Chemisorption | |
| 11. |
Adsorbent is a solid surface on which gas or liquid molecules condense to form a film. |
| A. | |
| B. | Correct |
| C. | Incorrect |
| Answer» B. Correct | |
| 12. |
The physical process that occurs when gas or liquid molecules are brought into contact with a solid surface and condense on the surface |
| A. | Absorption |
| B. | Adsorption |
| C. | Both Adsorption and Absorption |
| D. | None of the mentioned |
| Answer» C. Both Adsorption and Absorption | |
| 13. |
Physical adsorption increase with _________ in temperature. |
| A. | Increase |
| B. | Decrease |
| C. | Neither increase nor decrease |
| D. | None of the mentioned |
| Answer» C. Neither increase nor decrease | |
| 14. |
In Langmuir’s model of adsorption of a gas on a solid surface the mass of gas striking a given area of surface is ______________to the pressure of the gas. |
| A. | Proportional |
| B. | Anti proportional |
| C. | Independent |
| D. | None of the mentioned |
| Answer» B. Anti proportional | |