4. a) Read the given application and answer the questions accordingly Paheli tried to cut open a used cell to find what's inside it that creates power or electricity On opening she found some chemicals and a black rod in the centre. i) Can you guess which rod is it? ii) Help paheli identify chemicals that are used in it?
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I) The rod is carbon rod.
II) The chemical is the mixture of sodium chloride, chloric acid , sodium acetate etc.
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