Question

In the electrolysis of water name the gas collected at anode and cathode

Answer 1

Anode:oxygen
Cathode:hydrogen

Answer 2

1.

Hydrogen and oxygen respectively.

2.

Hydrogen will burn with a " squeaky pop" when treated with a burning splint. Oxygen re-lights a glowing splint.

Explanation:

At the cathode (-) water is reduced:

H2O(l)+e→12H2(g)+OH−(aq).