CHEMICAL EFFECTS OF ELECTRIC CURRENT
NCERT Solutions, Q & A
Q1. Fill in the blanks
Answer:
(a) Most liquids that conduct electricity are solutions of acids, bases and salts.
(b) The passage of an electric current through a solution causes chemical effects.
(c) If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the negative terminal of the battery.
(d) The process of depositing a layer of any desired metal on another material by means of electricity is called electroplating.
Q2. When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?