MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the number of components present in a reactive system of NaCl-KBr-H20? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 2. |
What is the number of components in a nonreactive system of KCl-NaCl-H2O? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 3. |
What is the number of phases and components in the following reaction? |
| A. | NH4Cl ⟶ NH3 (Gas) + HCl (Gas) |
| B. | 1, 2 |
| C. | 2, 1 |
| D. | 3, 1 |
| E. | 3, 2 |
| Answer» C. 2, 1 | |
| 4. |
What is the number of phases and components present in the following reaction? |
| A. | MgCO3 ⟶ MgO +CO2 (Gas) |
| B. | 3, 2 |
| C. | 1, 3 |
| D. | 2, 3 |
| E. | 1, 2 |
| Answer» B. 3, 2 | |