MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The di-basic acid is used in its ________ |
| A. | Impure form |
| B. | Pure form |
| C. | Solid state |
| D. | Liquid form |
| Answer» C. Solid state | |
| 2. |
The green synthesis methods should have _______ |
| A. | Low efficiency |
| B. | High harmful by products |
| C. | Low energy requirements |
| D. | Low atom efficiency |
| Answer» D. Low atom efficiency | |
| 3. |
In green synthetic methods, the high quality product with no ________ are produced. |
| A. | Good products |
| B. | Catalyst |
| C. | Reaction |
| D. | Contamination |
| Answer» E. | |
| 4. |
THE_GREEN_SYNTHESIS_METHODS_SHOULD_HAVE________?$ |
| A. | Low efficiency |
| B. | High harmful by products |
| C. | Low energy requirements |
| D. | Low atom efficiency |
| Answer» D. Low atom efficiency | |
| 5. |
The di-basic acid is used in its_________ |
| A. | Impure form |
| B. | Pure form |
| C. | Solid state |
| D. | Liquid form |
| Answer» C. Solid state | |
| 6. |
In green synthetic methods, the high quality product with no ________ are produced? |
| A. | Good products |
| B. | Catalyst |
| C. | Reaction |
| D. | Contamination |
| Answer» E. | |
| 7. |
In green synthesis by avoiding harmful by products the catalyst used is _________ |
| A. | Tungsten |
| B. | Benzene |
| C. | Cyclo hexane |
| D. | Adipic acid |
| Answer» B. Benzene | |
| 8. |
What is the starting material for nylon 6-6 is _________ |
| A. | Acetic anhydride |
| B. | 2-methyl propyl benzene |
| C. | Adipic acid |
| D. | Nitric acid |
| Answer» D. Nitric acid | |
| 9. |
In conventional method _________ is used. |
| A. | Nacl |
| B. | Alcl<sub>3</sub> |
| C. | Na<sub>2</sub>SO<sub>4</sub> |
| D. | H<sub>2</sub>SO<sub>4</sub> |
| Answer» C. Na<sub>2</sub>SO<sub>4</sub> | |
| 10. |
In petrochemical industry, both in conventional method and green synthesis what is the first product obtained? |
| A. | 2-ethyl benzene |
| B. | Ethanol |
| C. | Methyl methacrylate |
| D. | 2-methyl propyl benzene |
| Answer» E. | |
| 11. |
Green synthesis method is ________ than the conventional method. |
| A. | More costlier |
| B. | More efficient |
| C. | Slower |
| D. | Less efficient |
| Answer» C. Slower | |
| 12. |
Micro fluid reactor will minimise _________ |
| A. | Solvent waste |
| B. | Efficiency |
| C. | No. of molecules |
| D. | No. of collisions |
| Answer» B. Efficiency | |
| 13. |
The atom economy obtained for green synthesis is in the range of _________ |
| A. | 62-70% |
| B. | 72-82% |
| C. | 40-50% |
| D. | 90-100% |
| Answer» C. 40-50% | |