MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following are the common ways to produce H2 gas in a fuel cell? |
| A. | Coal and biomass gasification |
| B. | Electrolysis and absorption |
| C. | Steam reforming and electrolysis |
| D. | Electromagnetism and steam reforming |
| Answer» D. Electromagnetism and steam reforming | |
| 2. |
Which of the following statements regarding fuel cells is false? |
| A. | Because of continuous supply, fuel cells never become dead |
| B. | They do not cause pollution |
| C. | Fuel cells have 100% efficiency practically |
| D. | The cost of catalysts needed for the electrode reactions is high |
| Answer» D. The cost of catalysts needed for the electrode reactions is high | |
| 3. |
What is the maximum theoretical energy efficiency of a fuel cell? |
| A. | 100% |
| B. | 69% |
| C. | 50% |
| D. | 83% |
| Answer» E. | |
| 4. |
Who invented the first fuel cell? |
| A. | Francis Bacon |
| B. | Thomas Grubb |
| C. | Leonard Niedrach |
| D. | William Grove |
| Answer» E. | |
| 5. |
Which of the following is supplied to the cathode of a fuel cell? |
| A. | Hydrogen |
| B. | Nitrogen |
| C. | Oxygen |
| D. | Chlorine |
| Answer» D. Chlorine | |
| 6. |
Which of the following is not produced in an H2-O2 fuel cell? |
| A. | Electricity |
| B. | Pollutants |
| C. | Heat |
| D. | Water |
| Answer» C. Heat | |
| 7. |
Which of the following is not a fuel cell? |
| A. | PEM cell |
| B. | Direct methanol cell |
| C. | Solid oxide cell |
| D. | Daniell cell |
| Answer» E. | |
| 8. |
Which of the following can be used as fuel in a fuel cell? |
| A. | Nitrogen |
| B. | Argon |
| C. | Hydrogen |
| D. | Helium |
| Answer» D. Helium | |
| 9. |
Which of the following is used as an electrolyte in an H2-O2 fuel cell? |
| A. | KOH |
| B. | NH4OH |
| C. | Fe(OH)2 |
| D. | Cu(OH)2 |
| Answer» B. NH4OH | |
| 10. |
A fuel cell is a type of electrochemical cell. |
| A. | True |
| B. | False |
| Answer» B. False | |