Question

a) Identify the gas evolved at anode and cathode
b) Why is the amount of gas collected in the two test tubes are different?
c) What type of reaction is this?
d) Why should we use add to the water?​

Answer 1

Answer:

a) Gas at anode: Oxygen

   Gas at cathode: Hydrogen

b) Due to flow of electrons

c) Decomposition Reaction

d) incorrect qn

Answer 2

Answer:

here gas collected at anode is oxygen and at cathde is hydrogen

here hydrogen is double of oxygen

it is thermal decomposition reaction

to separate the hydrogen and oxygen separates