When an acid cell is charged,then

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(A) During the charging process of a lead-acid storage cell,electrical energy is converted into chemical energy. As the charging proceeds,the concentr

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Voltage of cell increases

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(A) During the charging process of a lead-acid storage cell,electrical energy is converted into chemical energy. As the charging proceeds,the concentration of sulfuric acid $(H_2SO_4)$ increases,and the lead sulfate $(PbSO_4)$ on the electrodes is converted back to lead $(Pb)$ and lead dioxide $(PbO_2)$. Consequently,the electromotive force $(EMF)$ or voltage of the cell increases.

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