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Question 1:

Fill in the blanks.

(a) Most liquids that conduct electricity are solutions of ________, _______ and ________.

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

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

(d) The process of depositing a layer of any desired metal on another material by means of electricity is called _________.

Answer:

(a) Most liquids that conduct electricity are solutions of __acids__, __bases__ and __salts__.

(The solutions of acids, bases or salts are conducting in nature. They allow the current to pass through.)

(b) The passage of an electric current through a solution causes __chemical__ effects.

(When an electric c…

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