Chemical Cells Quiz
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5 questions, one answer each
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1. What does a chemical cell convert chemical energy into?
- A. Heat energy only
- B. Electrical energy
- C. Nuclear energy
- D. Sound energy
2. What does a chemical cell produce?
- A. A magnetic field
- B. A potential difference
- C. A precipitate
- D. A gas
3. Until when does a chemical cell continue to produce a voltage?
- A. Forever
- B. Until the reactants are used up
- C. Until it is recharged only
- D. Until it is cooled down
4. Why can a rechargeable cell be reused many times?
- A. It never uses up its reactants
- B. Passing a current through it in reverse regenerates the reactants
- C. It generates new electrodes each time
- D. It does not rely on a chemical reaction
5. A student compares a non-rechargeable cell and a rechargeable cell, both of which have fully used up their reactants. Which statement is correct?
- A. Both can be restored by simply waiting
- B. The non-rechargeable cell cannot be restored, but the rechargeable cell can be restored by reversing the reaction with an applied current
- C. Neither can ever be restored
- D. Both restore themselves automatically over time