MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The emf of the anode in zinc-air batteries is ___________ |
| A. | -1V |
| B. | -1.25V |
| C. | 1V |
| D. | 1.25V |
| Answer» C. 1V | |
| 2. |
The drawback of this battery is the working voltage of battery is _________ due to the internal losses. |
| A. | Higher |
| B. | Lower |
| C. | Moderate |
| D. | Not considerable |
| Answer» C. Moderate | |
| 3. |
In zinc-air cells are composed of three parts of zinc used as ___________ |
| A. | Anode |
| B. | Cathode |
| C. | Based on the half cell |
| D. | Can t be said |
| Answer» B. Cathode | |
| 4. |
The advantages of the nickel metal hydrated batteries are having _________ more energy than the nickel cadmium batteries. |
| A. | 100% |
| B. | 50% |
| C. | 75% |
| D. | 25% |
| Answer» D. 25% | |