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what is chemical effect?
Electronics depend on chemistry. In order to generate electricity there are many methods used, one of them is chemical. The best example is in  batteries, where electricity is generated because of chemical reactions inside cell.
 Also in conductors like liquids and gases electricity is carried not by electrons as it is in solid constructions(copper, aluminum, etc.), but by ions molecules with electric charges.
 Even non distiled water contain enough ions to be conductive.
 We can go through an example of chemical effects in electricity.
Electrolysis is a decomposition of liquid compound by passing electric current through liquid called electrolyte(salt water, copper sulphate, sulphuric acid). Electrolysis is used very widely in industry like electroplating of metals, refining of copper and extraction of aluminum from ore. To make electrolysis happen there are two conductors used cathode(-) and anode(-).


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