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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.
1. |
The following reaction is representative of which process?2H2 +O2 —–> 2H2O. |
A. | Hydrolysis process |
B. | Electrolytic process |
C. | Nucleophilic process |
D. | None of the mentioned |
Answer» C. Nucleophilic process | |
2. |
Complete the reaction: RNO2 + 3Zn + 3H2SO4 ——-> RNH2 + 3______ + 2H2O. |
A. | H2SO4 |
B. | NH2SO4 |
C. | ZnSO4 |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
3. |
The dinitro compounds are insoluble in water and the diamines are quite soluble. |
A. | True |
B. | False |
Answer» B. False | |
4. |
The following reaction is representative of which process? |
A. | |
B. | Hydrolysis process |
C. | Electrolytic process |
Answer» C. Electrolytic process | |
5. |
Which element is used for the hardening of oil and fats in food industry? |
A. | Hydrogen |
B. | Zinc |
C. | Sulphur |
D. | Nitrogen |
Answer» B. Zinc | |
6. |
Which process is most feasible for the reduction of amines? |
A. | Zinc and acid |
B. | Tin and acid |
C. | Al and Sulphuric acid |
D. | All of the mentioned |
Answer» B. Tin and acid | |
7. |
Complete the reaction: RNO2 + 3Zn + 3H2SO4 ——-> RNH2 + 3______ + 2H2O.$ |
A. | H<sub>2</sub>SO<sub>4</sub> |
B. | NH<sub>2</sub>SO<sub>4</sub> |
C. | ZnSO<sub>4</sub> |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
8. |
In which of the following process, do we remove iron oxide sludge in reduction of nitro-aniline? |
A. | Reduction process |
B. | Filtration |
C. | Dehydration |
D. | Vacuum distillation |
Answer» C. Dehydration | |
9. |
By the reduction of which of the following, do we get p-phenylenediamine? |
A. | Para-nitroaniline |
B. | Para-aniline |
C. | Para-nitro amide |
D. | Aniline |
Answer» B. Para-aniline | |
10. |
Which of the following criteria is used for the selection of equipment? |
A. | Simplicity |
B. | Yield |
C. | Power load |
D. | All of the mentioned |
Answer» E. | |