give reason why graphite is used for making electrode in a cell
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becozzzz graphite is a good conductor of electricity...
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Graphite, as you may know, is a good conductor of electricity, in fact, as good as metals. However, if metals had been used for making electrodes, it might have corroded, or would have dissolved in acids or bases. This would reduce the efficiency of the cell. Graphite, on the other hand, does not have these problems. It does not dissolve in acids or bases or even water and is a non-corrosive material. Moreover, graphite is cheaper than metals. This reduces the cost of production of the cells.
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