Acidified water is electrolyzed by using carbon electrodes. What is produced at:

(a) positive carbon electrode?

(b) negative carbon electrode?

What effect does an electric current produce when flowing through a conducting liquid (or conducting solution)?

When electric current is passed through acidified water, then hydrogen and oxygen are formed. What type of effect of current is illustrated by this statement?

Give one example of the chemical effect of electric current.

What should be done to decompose water into hydrogen and oxygen?