Question

Important questions on chemical effects of electric current

Answer 1

Important question on chemical effect on electric current are:-

1)An electric current can produce

(a) heating effect only.

(b) chemical effect only.

(c) magnetic effect only.

(d) chemical, heating, and magnetic effects.

2)When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates

(a) the chemical effect of current.

(b) the heating effect of current.

(c) the magnetic effect of current.

(d) the lightning effect of current.

3)Why is a layer of zinc coated over iron?

4)Will the solution of sugar in distilled water conduct electricity?

5)Name the effect of current responsible for the glow of the bulb in an electric circuit.