Other questions in this quiz

2. why are other cells rechargeable?

  • the chemical reaction involved is reversible
  • they can be reused
  • there are always free ions available

3. what does a chemical cell contain?

  • a nucleus, cytoplasm and cell membrane
  • chloroplasts, vacuole and cell wall
  • chemicals which react to produce electricity
  • chemicals which react to produce gases

4. why are some cells non-rechargeable?

  • the reactants do not stay in the cell after being used
  • the chemical reactions stop after one of the reactants is used up
  • they can only be used once

5. fuel cells are supplied by...

  • an external source of fuel, and oxygen or air
  • an external source of fuel, or oxygen, or air
  • an internal source of fuel, and oxygen or air
  • an external source of fuel, and hydrogen gas

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