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 disadvantage of using high pressure? |
| A. | Lower oxidation yield |
| B. | Higher acid strength |
| C. | Higher oxidation yield |
| D. | High reaction rates |
| Answer» B. Higher acid strength | |
| 2. |
What is the major engineering problem associated with nitric acid production? |
| A. | Complex heat balancing design |
| B. | Furnace design |
| C. | Thermodynamics and kinetic consideration |
| D. | Materials of construction |
| Answer» D. Materials of construction | |
| 3. |
In nitric acid concentration by H2SO4 which equipment is used for concentrating purpose? |
| A. | Stoneware towers |
| B. | Dehydrating tray towers |
| C. | cooling towers |
| D. | Chilling towers |
| Answer» B. Dehydrating tray towers | |
| 4. |
Which promoter used in the platinum catalyst in production of nitric acid? |
| A. | Alkali promoted |
| B. | Metallic compounds promoted |
| C. | Rh promoted |
| D. | Arsenic promoted |
| Answer» D. Arsenic promoted | |
| 5. |
Which are the factors favoured in the reaction kinetics in the NH3 oxidation stage? |
| A. | High temperature, low pressure |
| B. | Low temperature, high pressure |
| C. | Low temperature, low pressure |
| D. | High temperature, high pressure |
| Answer» E. | |
| 6. |
Which process is used in order to concentrate nitric acid? |
| A. | Concentration by H<sub>3</sub>PO<sub>4</sub> |
| B. | Concentration by Mg(NO<sub>3</sub>)<sup>2</sup> |
| C. | Concentration by Ca(NO<sub>3</sub>)<sup>2</sup> |
| D. | Concentration by Ba(NO<sub>3</sub>)<sup>2</sup> |
| Answer» C. Concentration by Ca(NO<sub>3</sub>)<sup>2</sup> | |
| 7. |
Which process is involved in N2 fixation from air? |
| A. | Wisconsin process |
| B. | 2 NaNO<sub>3</sub> + H<sub>2</sub>SO<sub>4</sub> process |
| C. | Ammonia oxidation process |
| D. | Fission fragments process |
| Answer» B. 2 NaNO<sub>3</sub> + H<sub>2</sub>SO<sub>4</sub> process | |
| 8. |
Which step mentioned below is not considered as fundamental step for the production of nitric acid? |
| A. | Oxidation of NH<sub>3</sub> to NO |
| B. | Oxidation of NO to NO<sub>2</sub> |
| C. | Oxidation of NH<sub>3</sub> to NO<sub>2</sub> |
| D. | Absorption of NO<sub>2</sub> in water |
| Answer» D. Absorption of NO<sub>2</sub> in water | |
| 9. |
Which component is used as end application of nitric acid for production of toluene-diisocyanate? |
| A. | 9% adipic acid |
| B. | 3.5% dinitrotoluene |
| C. | 3.5% nitrobenzene |
| D. | 1% nitro -compounds |
| Answer» C. 3.5% nitrobenzene | |