List of top Science Questions on Electrolysis asked in CBSE Class X

What is the mass ratio of the gases collected at the anode and cathode?
Name the gases collected at the anode and cathode.
Why is the electrolysis of water called a decomposition reaction?
In the electrolysis of water, if the mass of the gas collected at the anode is $m_a$ and the mass of the gas collected at the cathode is $m_c$, the value of $\frac{m_c}{m_a}$ is :