You are here
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) acids, bases, salts
Explanation : Acid, bases and salts dissolve in water to give ions. (Ions are atoms with electric charge). These ions conduct electricity
(b) chemical
Explanation: When we pass electric current through a solution, chemical reactions takes place. These chemical reaction causes chemical effects like change in color of the solution.
(c) negative
Explanation: When we pass current through a copper sulphate solution, the solution contains positive Copper ions. These get attracted to the negative electrode
(d)
electroplating
