Question detail
What is the energy-transfer idea behind a chemical cell producing electricity?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Chemical cells and fuel cells (chemistry only)
Question
- A. Chemical reactions in the cell transfer energy electrically.
- B. The cell stores electricity without any chemicals reacting.
- C. The wires create chemicals from electrical energy only.
- D. The electrolyte blocks all movement of charged particles.
Answer
Chemical reactions in the cell transfer energy electrically. The reacting chemicals are the source of the potential difference.
Explanation
Chemical reactions in the cell create the potential difference that drives energy transfer through the circuit. This is why a chemical cell is not simply a container of stored electricity.
Common mistake
Misunderstanding Cell Composition
Students often think that cells only contain metals and do not recognize the role of electrolytes in producing electricity.
Emphasize that cells consist of two different metals and an electrolyte, which is crucial for the chemical reactions that generate electricity.
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