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 percentage of SiO2 is present in Indian pyrite ore? |
| A. | 5-7% |
| B. | 10-12% |
| C. | 16-19% |
| D. | 20-21% |
| Answer» B. 10-12% | |
| 2. |
If the sulfur contains Arsenic which attacks the Vanadium or Platinum catalyst during contact process. Using which of the following can the Arsenic be removed. |
| A. | Milk of lime |
| B. | Milk of magnesia |
| C. | CaO |
| D. | Salts of Sodium |
| Answer» B. Milk of magnesia | |
| 3. |
In cold stage catalytic reaction which catalyst is used to catalyze H2S + SO2 to produce S6 vapor? |
| A. | Bauxite |
| B. | Zirconium |
| C. | Molybdenum |
| D. | Aluminum oxide |
| Answer» E. | |
| 4. |
To what size are the particles ground for an economic balance between heat transfer rate from combustion gases plus residence time? |
| A. | 200 mesh |
| B. | 100 mesh |
| C. | 50 mesh |
| D. | 18 mesh |
| Answer» B. 100 mesh | |
| 5. |
What is the chemical formula of Oleum? |
| A. | H<sub>2</sub>S<sub>2</sub>O<sub>7</sub> |
| B. | H<sub>2</sub>S<sub>2</sub>O<sub>8</sub> |
| C. | H<sub>2</sub>S<sub>2</sub>O<sub>9</sub> |
| D. | H<sub>2</sub>S<sub>2</sub>O<sub>10</sub> |
| Answer» B. H<sub>2</sub>S<sub>2</sub>O<sub>8</sub> | |
| 6. |
What is the melting point of monoclinic crystals of sulfur? |
| A. | 116 Celsius |
| B. | 117 Celsius |
| C. | 118 Celsius |
| D. | 119 Celsius |
| Answer» E. | |
| 7. |
What are iron pyrites also know as? |
| A. | Sulfides of iron |
| B. | Silicates of Alumina |
| C. | Aluminates of Magnesium |
| D. | Sulfides of Calcium |
| Answer» B. Silicates of Alumina | |
| 8. |
What is the melting point of Rhombic crystal sulfur? |
| A. | 111.8 Celsius |
| B. | 112.8 Celsius |
| C. | 113.8 Celsius |
| D. | 114.8 Celsius |
| Answer» C. 113.8 Celsius | |
| 9. |
What is the atomic weight of sulfur approximately? |
| A. | 30 |
| B. | 31 |
| C. | 32 |
| D. | 33 |
| Answer» E. | |
| 10. |
Which of the mentioned is the basic raw material for the production of sulfur? |
| A. | CaO |
| B. | Asbestos |
| C. | Lead |
| D. | Sulfur |
| Answer» E. | |