Fresh mangoes can survive for a prolonged period of time when they are placed in highly concentrated salts solution. Soke psysiological changes take place in the cell. comment on the chenges.

A car battery Is made of lead plate dipping Into sulphuric acid (Lead Accumulator). It can be recharged. When the battery is used a reaction takes place. Identify the change to this reaction when the battery is recharged and represent the reactions at the anode of the cell.

You are given a solution of AgNO_3 , a solution of MgSO_4 , a Ag rod and a Mg ribbon. How can you arrange a Galvanic cell using these? Write down the reactions taking place at the cathode and the anode.