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. |
Under what condition, will we get a stable phase diagram? |
| A. | Solid + Liquid |
| B. | Solid + Vapor |
| C. | Liquid + vapor |
| D. | Liquid + Solid |
| Answer» B. Solid + Vapor | |
| 2. |
Calculate the eutectic concentration given the following data.
|
| A. | nTemperature: 1<sup>o</sup>C |
| B. | 0 |
| C. | 2 |
| D. | 1 |
| E. | 3 |
| Answer» D. 1 | |
| 3. |
Which of the following is the formula for condense phase rule? |
| A. | F=C-P+2 |
| B. | F=C-P+1 |
| C. | F=C+P-2 |
| D. | F=C+P-1 |
| Answer» C. F=C+P-2 | |
| 4. |
Select the odd statement with respect to a phase reaction. |
| A. | Saturated solution |
| B. | Equilibrium solution |
| C. | Concentric solution |
| D. | Amorphous solution |
| Answer» B. Equilibrium solution | |
| 5. |
Select a non-homogeneous system from the following. |
| A. | Salt solution |
| B. | Sugar solution |
| C. | Glucose in water |
| D. | Saturated solution of NaCl |
| Answer» E. | |
| 6. |
Select the wrong statements from the following statements with respect to a phase diagram. |
| A. | Gives information about concentration |
| B. | Gives information about solubility |
| C. | Gives information on melting and boiling points |
| D. | Gives information on relative concentration |
| Answer» E. | |
| 7. |
Liquid phase exists for all compositions above _________ region. |
| A. | Eutectic region |
| B. | Equilibrium region |
| C. | Isometric region |
| D. | Sublimation region |
| Answer» D. Sublimation region | |
| 8. |
For water system, the number of phases at the triple point is _____________ |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» E. | |
| 9. |
What is the point at which all the three phases of a system exist? |
| A. | Triple point |
| B. | Sublimation point |
| C. | Vapor point |
| D. | Eutectic point |
| Answer» B. Sublimation point | |
| 10. |
What does Gibb s phase rule state? |
| A. | P+F=C-1 |
| B. | P+F=C+1 |
| C. | P+F=C-2 |
| D. | P+F=C+2 |
| Answer» E. | |