A chemical reaction takes place when an electric current passes
through a conducting solution. You can easily observe the chemical
effects in the form of bubbles or gases in the solution.
Take two iron nails (2.5 cm each). Wrap the free ends of an open
circuit around the caps of both nails. Make sure that the circuit
consists of a battery. Now, take a glass beaker and suspend both
nails in it. Pour a conducting liquid such as salt solution or
vinegar in it. E
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