Q. 25

Fill in the following blanks with suitable words:

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

(b) LED glows even when a ..............electric current passes through it.

(c) The passage of an electric current through a conducting solution causes.............effect.

(d) When electric current is passed through acidified water, then ........and...........are formed.

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

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

Answer :

(a) Most liquids that conduct electricity are solutions of acids, base and salts.

(b) LED glows even when a low electric current passes through it.


(c) The passage of an electric current through a conducting solution causes chemical effect.


(d) When electric current is passed through acidified water, then hydrogen and oxygen are formed.


(e) The process of depositing a layer of any desired metal on another metal by means of electricity is called electroplating.


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


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