NCERT solution for class 8 || Science || Chapter 14 -Chemical effects of electric current
NCERT solution > Class 8 > Science NCERT solution for class 8 || Science || Chapter 14 -Chemical effects of electric current Chapter 14 -Chemical effects of electric current Exercise Q1. Fill in the blanks a) Most liquids that conduct electricity are solutions of acids and 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 in a solution the magnetic needle shows deflection can you explain the reason ? Answer- The free end of the tester are dipped in the solution of magnetic needle shows deflection because the magnetic needle indicates the electric current is flowing t...