What are uses of mercury cell and dry cell?
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Mercury cell is more advantageous than dry cell because dry cell has a very short life span due to the conversion of zinc to zinc chloride that makes the zinc casing porous. Due to this porous casing, the substance inside the cell leaks out and corrodes the metal, reducing the lifetime of the cell.
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Answer: Mercury cells are used in watches, hearing aids etc., while dry cells are mostly used in remotes wall clocks, and in laboratories to provide a constant voltage.
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