Answer :

Activity

Step 1: Connect two different coloured electrical wires to graphite rods separately in a 100ml beaker.


Step 2: Connect free ends of the wire to 230 volts Ac plug and complete the circuit.


Step 3: Connect a bulb to one of the wires.


Sep 4: Now pour some dilute HCl in the beaker and switch on the current.


Step 5: Repeat the same activity with glucose and alcohol solutions.



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