MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
What is Epsom salt ? |
| A. | MgSO<sub>4</sub>.7H<sub>2</sub>O |
| B. | MgSO<sub>4</sub>.2H<sub>2</sub>O |
| C. | MgCO<sub>2</sub>.CaCO<sub>3</sub> |
| D. | MgCO<sub>2</sub> |
| Answer» B. MgSO<sub>4</sub>.2H<sub>2</sub>O | |
| 2. |
What is used for bromine concentration? |
| A. | Seawater with air |
| B. | Seawater with HCl |
| C. | Chlorinated seawater with air |
| D. | Chlorinated seawater with HCl |
| Answer» D. Chlorinated seawater with HCl | |
| 3. |
Which composition is available in the highest amount in Indian beach sands? |
| A. | Quartz |
| B. | Ilmenite |
| C. | Monazite |
| D. | Garnet |
| Answer» C. Monazite | |
| 4. |
Major difficulty is in removing the ore from the seafloor to the deck -where it appears? |
| A. | Seafloor mining |
| B. | Recovery from offshore placer deposits |
| C. | Offshore mining and processing |
| D. | Deep sea sediments |
| Answer» D. Deep sea sediments | |
| 5. |
Which by-product acids are used in the production of bromine from seawater? |
| A. | HCl and H<sub>2</sub>SO<sub>4</sub> |
| B. | HCl and HNO<sub>3</sub> |
| C. | HCl and H<sub>2</sub>PO<sub>3</sub> |
| D. | Only HCl |
| Answer» B. HCl and HNO<sub>3</sub> | |
| 6. |
Which raw material is used in the production of crystalline magnesium chloride? |
| A. | Seawater |
| B. | Dolomite |
| C. | Magnetite |
| D. | Bitterns |
| Answer» E. | |
| 7. |
Which process is adopted in the manufacture of magnesium compounds from sea? |
| A. | Calcium treatment |
| B. | Lime treatment |
| C. | Caustic soda treatment |
| D. | Chlorine treatment |
| Answer» C. Caustic soda treatment | |
| 8. |
Where the maximum amount of magnesium compounds is consumed? |
| A. | Production of metallic magnesium |
| B. | As insulating compounds |
| C. | Manufacture of rubber |
| D. | Printing ink |
| Answer» B. As insulating compounds | |
| 9. |
Which one mentioned below is not a property of bromine extracted from sea? |
| A. | Dark red |
| B. | Low-boiling |
| C. | High density |
| D. | Low density |
| Answer» E. | |
| 10. |
Where placer deposits of platinum can be found in sea? |
| A. | Continental beaches |
| B. | Deep sea floor |
| C. | Ocean beaches |
| D. | Subsea-floor rocks |
| Answer» D. Subsea-floor rocks | |