MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Industry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How is carbon electrodes formed in an electrolytic aluminium smelting cell? |
| A. | From Alumina |
| B. | By Replacing the old electrodes |
| C. | From coke and carbon dioxide |
| D. | From coke and pitch |
| Answer» E. | |
| 2. |
How is alumina converted to aluminium? |
| A. | Heating |
| B. | Cooling |
| C. | Electrolytically using an aluminium smelting cell |
| D. | Adding coke |
| Answer» D. Adding coke | |
| 3. |
Recovery of alumina from red mud is the most difficult process during the manufacture of aluminium. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
How is crystallization of trihydrate induced while manufacturing aluminium? |
| A. | Mixing |
| B. | Cooling |
| C. | Heating |
| D. | Agitation |
| Answer» C. Heating | |
| 5. |
What is the pressure maintained in the autoclave while manufacturing steel? |
| A. | 1atm |
| B. | 2atm |
| C. | 0.5atm |
| D. | 4.5atm |
| Answer» E. | |
| 6. |
Which among the following is a major source of aluminium oxide? |
| A. | Hematite |
| B. | Siderite |
| C. | Magnetite |
| D. | Bauxite |
| Answer» E. | |