MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Nitrogen in plants is taken in what form? |
| A. | Ammonia |
| B. | Amide |
| C. | Nitrate |
| D. | Nitrite |
| Answer» D. Nitrite | |
| 2. |
Which of the following conditions would improve the yield of ammonia production from Bosch-Haber process? |
| A. | High temperature, high pressure |
| B. | High temperature, low pressure |
| C. | Low temperature, low pressure |
| D. | Low temperature, high pressure |
| Answer» E. | |
| 3. |
In the Haber-Bosch process, what is formed by the reaction of natural gas and steam? |
| A. | Ammonia |
| B. | Nitrogen |
| C. | Oxygen |
| D. | Hydrogen |
| Answer» E. | |
| 4. |
What is the most acidic of all? |
| A. | NH<sub>3</sub> |
| B. | NaOH |
| C. | KOH |
| D. | Alkaline KMnO<sub>4</sub> |
| Answer» B. NaOH | |
| 5. |
What is one method of qualitatively analyzing a given salt for presence of ammonia? |
| A. | Solution turns blue litmus red |
| B. | Heating the salt causing decrepitation |
| C. | Using a reagent to obtain dirty brown precipitate |
| D. | Addition of NaOH causing white gelatinous precipitate |
| Answer» D. Addition of NaOH causing white gelatinous precipitate | |
| 6. |
What happens when sodium is put in a solution of ammonia? |
| A. | It generates a lot of heat |
| B. | It does not dissolve |
| C. | It produces deep blue color |
| D. | Ammonia liquid evaporates due to heat |
| Answer» D. Ammonia liquid evaporates due to heat | |
| 7. |
How many unshared pair of electrons does an ammonia molecule have? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 8. |
What kind of smell is ammonia recognized by? |
| A. | Acidic |
| B. | Sweet |
| C. | Rotten |
| D. | Pungent |
| Answer» E. | |
| 9. |
What is the chemical formula of ammonia? |
| A. | NH<sub>2</sub> |
| B. | NH<sub>3</sub> |
| C. | NH<sub>4</sub><sup>+</sup> |
| D. | NH<sub>5</sub> |
| Answer» B. NH<sub>3</sub> | |