Chemical Effects of Electric Current

The liquids that allow electricity to pass through them are known as good conductors. The liquids that do not allow electricity to pass through them are known as poor conductors. The conductivity of liquids can be checked by using the tester circuit. There are two types of tester circuit: one uses bulb or LED and another uses magnet. Liquids that conduct electricity are solutions of acids, bases and salts. The passage of an electric current through a conducting liquid causes chemical reactions. The process of depositing a layer of any desired metal on another material by means of electricity is known as electroplating. The layer of metal deposited has some desired property which the metal of the object lacks. The three main types of electroplating are chromium, gold/silver and tin plating. Chromium plating is the electroplating of chromium over other metals to impart them the desired characteristics. Gold/Silver plating is the electroplating of gold/silver over other metals to impart them the desired characteristics such as expensive look etc. Tin plating is the electroplating of tin over other metals to impart them the desired characteristics such as protection against the contamination of food.

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