<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2014) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2014) (Learn how and when to remove this template message) </Td> </Tr> <P> A salt bridge, in electrochemistry, is a laboratory device used to connect the oxidation and reduction half - cells of a galvanic cell (voltaic cell), a type of electrochemical cell . It maintains electrical neutrality within the internal circuit, preventing the cell from rapidly running its reaction to equilibrium . If no salt bridge were present, the solution in one half cell would accumulate negative charge and the solution in the other half cell would accumulate positive charge as the reaction proceeded, quickly preventing further reaction, and hence production of electricity . </P> <P> Salt bridges usually come in two types: glass tube and filter paper . </P>

Why we use salt bridge in galvanic cell
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