What is a positive and a negative electrode?

  • A
    Positive electrode is the anode,negative electrode is the cathode.
  • B
    Positive electrode is the cathode,negative electrode is the anode.
  • C
    Positive electrode is the electrolyte,negative electrode is the ion.
  • D
    Positive electrode is the salt bridge,negative electrode is the wire.

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$(i)$ Which electrode is negatively charged?
$(ii)$ The carriers of the current in the cell.
$(iii)$ Individual reaction at each electrode.

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