Write is a salt bridge ? What is it used for ? – InterviewSolution

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1.	Write is a salt bridge ? What is it used for ?
Answer» Solution :A salt bridge is a U - shaped tube containing concentrated solution of an INERT ELECTROLYTE like `KCl, KNO_3, K_2SO_4`, etc., or a solidified solution of an electrolyte such as agar-agar and GELATINE. It is used, (i) To complete the electrical circuit by allowing IONS to flow from one solution to the other without mixing the two solutions . (ii) To maintain the electrical neutrality of the solutions in the two half CELLS.

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