MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Hydrogen-oxygen fuel cell can produce drinking water of potable quality. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The residual product discharged by the hydrogen-oxygen cell is ____________ |
| A. | Hydrogen peroxide |
| B. | Alcohol |
| C. | Water |
| D. | Potassium permanganate |
| Answer» D. Potassium permanganate | |
| 3. |
The standard emf of the hydrogen-oxygen fuel cell is ____________ |
| A. | 1.23 V |
| B. | 2.54 V |
| C. | 3.96 V |
| D. | 0.58 V |
| Answer» B. 2.54 V | |
| 4. |
The electrolytic solution used in a hydrogen-oxygen fuel cell is ____________ |
| A. | 75% KOH solution |
| B. | 25% KOH solution |
| C. | 75% NaOH solution |
| D. | 25% NaOH solution |
| Answer» C. 75% NaOH solution | |
| 5. |
A fuel cell is used to convert chemical energy into ____________ |
| A. | Mechanical energy |
| B. | Solar energy |
| C. | Electrical energy |
| D. | Potential energy |
| Answer» D. Potential energy | |