MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The total surface area covered by all the molecules of the adsorbed gas is given by ____________ |
| A. | S = n /N<sub>A</sub> |
| B. | S = N<sub>A</sub>/n |
| C. | S = n N<sub>A</sub> |
| D. | S = N<sub>A</sub>/n |
| Answer» D. S = N<sub>A</sub>/n | |
| 2. |
The surface area occupied by a single gas molecule is inversely proportional to the ____________ |
| A. | Molar mass of the gas adsorbed |
| B. | Density of the liquefied gas |
| C. | Volume of the gas |
| D. | All of the mentioned |
| Answer» C. Volume of the gas | |
| 3. |
The B.E.T. theory is used in calculating the ____________ |
| A. | Surface area of adsorbate |
| B. | Surface area of adsorbent only |
| C. | Surface area of adsorbents and catalyst |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
According to B.E.T. equation, the plot of P/V(P0-P) versus P/P0 will yield a ____________ |
| A. | Straight line |
| B. | Parabola |
| C. | Hyperbola |
| D. | Eclipse |
| Answer» B. Parabola | |
| 5. |
The surface area available for the nth layer is equal to the coverage of ____________ |
| A. | (n-1)th layer |
| B. | (n+1)th layer |
| C. | nth layer |
| D. | none of the mentioned |
| Answer» B. (n+1)th layer | |
| 6. |
The energy of adsorption in the first layer is ____________ |
| A. | Increasing |
| B. | Decreasing |
| C. | Constant |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
The B.E.T. theory was based on the ____________ |
| A. | Single layer adsorption |
| B. | Multilayer adsorption |
| C. | Double layer adsorption |
| D. | None of the mentioned |
| Answer» C. Double layer adsorption | |
| 8. |
The B.E.T. theory was proposed in the year? |
| A. | 1940 |
| B. | 1935 |
| C. | 1938 |
| D. | 1945 |
| Answer» D. 1945 | |