MCQOPTIONS
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MCQOPTIONS
This section includes 9 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 the quantitative requirements of sulfuric acid in production of phosphoric acid? |
| A. | 32% |
| B. | 93-98% |
| C. | 42-50% |
| D. | 20% |
| Answer» C. 42-50% | |
| 2. |
Where ‘ammonia neutralization ‘ is done? |
| A. | To produce nitrophosphate |
| B. | To produce ammonium sulphate |
| C. | To produce ammonium nitrate |
| D. | To produce ammonium phosphate |
| Answer» B. To produce ammonium sulphate | |
| 3. |
In calcium phosphate production, phosphate rock lumps are crushed in which crusher? |
| A. | Cone crusher |
| B. | Gyratory crusher |
| C. | Roll crusher |
| D. | Jaw crusher |
| Answer» E. | |
| 4. |
What is ‘merseberg process’? |
| A. | Ammonium sulphate production |
| B. | Calcium carbonate production |
| C. | Sodium carbonate production |
| D. | Sodium phosphate production |
| Answer» C. Sodium carbonate production | |
| 5. |
Which one of mentioned below is not used as mined rock impurity in the production of phosphoric acid? |
| A. | Aluminum |
| B. | Silicon |
| C. | Arsenic |
| D. | Iron-oxides |
| Answer» D. Iron-oxides | |
| 6. |
How triple-superphosphate is made? |
| A. | Phosphate rock+H2SO4 |
| B. | Phosphate rock+HCl |
| C. | Phosphate rock+HNO3 |
| D. | Phosphate rock+H3PO4 |
| Answer» E. | |
| 7. |
In which phosphorous industry ‘acidulation’ reaction is occur? |
| A. | Elemental phosphorus production |
| B. | Phosphorus pentoxide production |
| C. | Phosphoric acid production |
| D. | Calcium phosphate production |
| Answer» E. | |
| 8. |
In which phosphorus industry ortho and polyphosphate are used as raw materials? |
| A. | Nitro-phosphates production |
| B. | Sodium tripoly-phosphate production |
| C. | Ammonium phosphates production |
| D. | Calcium phosphate production |
| Answer» C. Ammonium phosphates production | |
| 9. |
What is IMI process in the production of phosphoric acid? |
| A. | Wet process |
| B. | Electric furnace process |
| C. | Carbo-nitric process |
| D. | Mining process |
| Answer» B. Electric furnace process | |