MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Calculate the degree of freedom for decomposition of charcoal. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» D. 0 | |
| 2. |
Calculate the degree of freedom for decomposition of potassium permanganate. |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 0 |
| Answer» C. 1 | |
| 3. |
Calculate the degree of freedom for the following reaction.
|
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» B. 3 | |
| 4. |
Under what condition is two component systems converted to one component system? |
| A. | Decrease the temperature |
| B. | Add a miscible liquid |
| C. | Add an immiscible liquid |
| D. | Decrease the pressure |
| Answer» D. Decrease the pressure | |
| 5. |
Under what condition is one component system converted to two component systems? |
| A. | Decrease the temperature |
| B. | Add a miscible liquid |
| C. | Add an immiscible liquid |
| D. | Decrease the pressure |
| Answer» C. Add an immiscible liquid | |
| 6. |
Calculate the number of phases at the sublimation curve. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 0 |
| Answer» D. 0 | |
| 7. |
Calculate the degree of freedom for sublimation curve. |
| A. | Does not exist |
| B. | 1 |
| C. | 0 |
| D. | 2 |
| Answer» B. 1 | |
| 8. |
What does a horizontal arrest in a cooling system refer to? |
| A. | Continuous cooling |
| B. | Invariant reaction |
| C. | Variant reaction |
| D. | Bi variant reaction |
| Answer» C. Variant reaction | |
| 9. |
Which of the following statements is incorrect about the triple point? |
| A. | The point at which the solid, liquid and gaseous phases for a substance co-exist |
| B. | The triple point exists for a substance at a specific temperature and pressure |
| C. | The triple point exists at a single temperature and is not related with pressure |
| D. | The system must be closed so that no vapor can escape |
| Answer» D. The system must be closed so that no vapor can escape | |
| 10. |
With respect to one component system, what is the mixture present at the triple point? |
| A. | Water |
| B. | Ice |
| C. | Water vapor |
| D. | Water, ice, vapor |
| Answer» E. | |