Statements about the anode, cathode and energy change of a galvanic cell

1. A.
   The anode acts as negative electrode.
2. B.
   The cathode acts as a positive electrode.
3. C.
   It converts electrical energy into chemical energy.
4. D.
   Dry cell is an example of voltaic cell.

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1. A.
   It converts chemical energy into electrical energy.
2. B.
   It converts electrical energy into chemical energy.
3. C.
   The anode of voltaic cells is positive.
4. D.
   The cathode of voltaic cell is negative.

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1. A.
   $\mathrm{F_2 + 2e^- \rightarrow 2F^-}$
2. B.
   $\mathrm{2H^+ + \dfrac{1}{2}O_2 + 2e^- \rightarrow H_2O}$
3. C.
   $\mathrm{Fe^{2+} \rightarrow Fe^{3+} + 1e^-}$
4. D.
   $\mathrm{Cu^{2+} + 2e^- \rightarrow Cu(s)}$

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1. A.
   Oxidation occurs at the cathode
2. B.
   Reduction occurs at cathode
3. C.
   Usually denoted by a negative sign
4. D.
   Is usually made up of non conducting material.

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