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The passage of an electric current through a solution causes _________ effects.


chemical

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When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?


Solution has ions present in it causing electric current. Electric current produces magnetic effect causing deflection of the magnetic needle of a compass. Therefore, when a tester is dipped in the solution, the needle shows deflection, being a good conductor of electricity. 

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Most liquids that conduct electricity are solutions of________, ________ and ________.


acids

,

bases

,

salts

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The process of depositing a layer of any desired metal on another material object by means of electricity is called _______________.


electroplating

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If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the _________ terminal of the battery.


negative

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