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Which of the following statements is true about galvanic cells? (2020)

Practice Questions

Q1
Which of the following statements is true about galvanic cells? (2020)
  1. They convert chemical energy to electrical energy
  2. They require an external power source
  3. They operate only in acidic solutions
  4. They are always non-spontaneous

Questions & Step-by-Step Solutions

Which of the following statements is true about galvanic cells? (2020)
  • Step 1: Understand what a galvanic cell is. It is a device that generates electricity through a chemical reaction.
  • Step 2: Know that galvanic cells work spontaneously, meaning they can produce electricity without needing extra energy input.
  • Step 3: Recognize that the chemical energy stored in the reactants is converted into electrical energy as the reaction occurs.
  • Step 4: Conclude that the statement 'Galvanic cells convert chemical energy into electrical energy spontaneously' is true.
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