MCQOPTIONS
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MCQOPTIONS
This section includes 18 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 residue in the round bottom flask is ____________ |
| A. | Volatile |
| B. | Non volatile |
| C. | None of the mentioned |
| D. | Volatile & Non volatile |
| Answer» C. None of the mentioned | |
| 2. |
The process of distillation is used for the liquids having ____________ |
| A. | Sufficient difference in their boiling point |
| B. | Sufficient difference in their melting point |
| C. | Sufficient difference in their solubility |
| D. | None of the mentioned |
| Answer» B. Sufficient difference in their melting point | |
| 3. |
The distilled water is collected in ____________ |
| A. | Receiver |
| B. | Adapter |
| C. | Condenser |
| D. | Round bottom flask |
| Answer» B. Adapter | |
| 4. |
Which of the following will vaporize faster? |
| A. | Aniline |
| B. | Chloroform |
| C. | Water |
| D. | Kerosene |
| Answer» C. Water | |
| 5. |
The boiling point of aniline is ____________ |
| A. | 438 K |
| B. | 370 K |
| C. | 338 K |
| D. | 457 K |
| Answer» E. | |
| 6. |
The boiling point of chloroform is ____________ |
| A. | 334 K |
| B. | 286 K |
| C. | 350 K |
| D. | 298 K |
| Answer» B. 286 K | |
| 7. |
Porcelain pieces are put into the distillation flask to avoid ____________ |
| A. | Overheating |
| B. | Uniform boiling |
| C. | Bumping of the solution |
| D. | None of the mentioned options |
| Answer» D. None of the mentioned options | |
| 8. |
The process of heating a liquid mixture to form vapours and then cooling the vapours to get pure component is called ____________ |
| A. | Crystallisation |
| B. | Distillation |
| C. | Chromatography |
| D. | Sublimation |
| Answer» C. Chromatography | |
| 9. |
THE_PROCESS_OF_DISTILLATION_IS_USED_FOR_THE_LIQUIDS_HAVING?$ |
| A. | Sufficient difference in their boiling point |
| B. | Sufficient difference in their melting point |
| C. | Sufficient difference in their solubility |
| D. | None of the mentioned |
| Answer» B. Sufficient difference in their melting point | |
| 10. |
The_residue_in_the_round_bottom_flask_is$ |
| A. | Volatile |
| B. | Non volatile |
| C. | None of the mentioned |
| D. | Both of the mentioned |
| Answer» C. None of the mentioned | |
| 11. |
The distilled water is collected i? |
| A. | Receiver |
| B. | Adapter |
| C. | Condenser |
| D. | Round bottom flask |
| Answer» B. Adapter | |
| 12. |
Which of the following will vaporize faster ? |
| A. | Aniline |
| B. | Chloroform |
| C. | Water |
| D. | Kerosene |
| Answer» C. Water | |
| 13. |
Which of the following is not separated through distillation process? |
| A. | Acetone and water |
| B. | Aniline and chloroform |
| C. | Impurities in Sea water |
| D. | Milk and water |
| Answer» E. | |
| 14. |
How aniline and chloroform can be separated? |
| A. | Sublimation |
| B. | Condensation |
| C. | Distillation |
| D. | Evaporation |
| Answer» D. Evaporation | |
| 15. |
The boiling point of aniline is |
| A. | 438 K |
| B. | 370 K |
| C. | 338 K |
| D. | 457 K |
| Answer» E. | |
| 16. |
The boiling point of chloroform is |
| A. | 334 K |
| B. | 286 K |
| C. | 350 K |
| D. | 298 K |
| Answer» B. 286 K | |
| 17. |
Porcelain pieces are put into the distillation flask to avoid |
| A. | Overheating |
| B. | Uniform boiling |
| C. | Bumping of the solution |
| D. | None of the mentioned options |
| Answer» D. None of the mentioned options | |
| 18. |
The process of heating a liquid mixture to form vapours and then cooling the vapours to get pure component is called |
| A. | Crystallisation |
| B. | Distillation |
| C. | Chromatography |
| D. | Sublimation |
| Answer» C. Chromatography | |