MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is an expression for Boyle s temperature? |
| A. | a/Rb |
| B. | 27a/R |
| C. | a/b |
| D. | Ra/8b |
| Answer» B. 27a/R | |
| 2. |
In van der Waal s equation, b is known as ______________ |
| A. | volume constant |
| B. | pressure constant |
| C. | volume correction |
| D. | pressure correction |
| Answer» D. pressure correction | |
| 3. |
The value of b for carbon dioxide is given as 42.69 x 10-6m3/mol. What do you think is the volume of a molecule? |
| A. | 7.59 m<sup>3</sup> |
| B. | 7.03 m<sup>3</sup> |
| C. | 76.09 m<sup>3</sup> |
| D. | 7.09 m<sup>3</sup> |
| Answer» E. | |
| 4. |
Which of the following can be the value of b for Helium? |
| A. | 23.71 x 10<sup>-6</sup> m<sup>2</sup>/mol |
| B. | 23.71 x 10<sup>-6</sup> m<sup>3</sup>/mol |
| C. | 23.71 x 10<sup>-6</sup> m<sup>3</sup> mol |
| D. | 23.71 x 10<sup>-6</sup> m/mol |
| Answer» C. 23.71 x 10<sup>-6</sup> m<sup>3</sup> mol | |
| 5. |
If the value of a is greater, what does it mean? |
| A. | the gas liquefies easily |
| B. | the gas cannot liquify easily |
| C. | gas obeys ideal gas law |
| D. | gas particles have random motion |
| Answer» B. the gas cannot liquify easily | |
| 6. |
A gas that is liquefied by applying pressure below critical temperature is called ____________ of the substance. |
| A. | vapor |
| B. | liquid |
| C. | solid |
| D. | plasma |
| Answer» B. liquid | |
| 7. |
A fluid is a _______________ |
| A. | gas |
| B. | liquid |
| C. | solid |
| D. | both gas and liquid |
| Answer» E. | |
| 8. |
What is the ratio of critical temperature to Boyle s temperature of the same gas? |
| A. | 8/27 |
| B. | 27/8 |
| C. | 8 |
| D. | 27 |
| Answer» B. 27/8 | |
| 9. |
Which of the following is Greater? |
| A. | Boyle s temperature |
| B. | Boyle s temperature = critical temperature |
| C. | Critical temperature |
| D. | Boyle s temperature = 1/critical temperature |
| Answer» B. Boyle s temperature = critical temperature | |
| 10. |
Which of The following is a critical temperature for Carbon dioxide? |
| A. | 32-degree centigrade |
| B. | 30.98-degree centigrade |
| C. | 40-degree centigrade |
| D. | 30.91 degree Kelvin |
| Answer» C. 40-degree centigrade | |