Question

.Take two pencils and sharpen both the ends. Fill the beaker with tap water. Connect the

graphite of pencils to 9v battery and the contact should be good. Use a piece of card

board to hold the pencils in a vertical position. Now wait for 3 – 4 minutes and observe

the electrodes carefully.

a) what do you observe near the graphite of pencils?

b) Name the phenomenon associated with it.

c) What would you add to make water more conductive?

d) which precautionary measure need to be taken?

Need answer for this as fast as possible ​

Answer 1

Answer:

Take two pencils and sharpen both the ends. Fill the beaker with tap water. Connect the

graphite of pencils to 9v battery and the contact should be good. Use a piece of card

board to hold the pencils in a vertical position.