In what ratio by mass, hydrogen and oxygen are produced by the electrolysis of water ?

What mass of hydrogen and oxygen will be produced on complete electrolysis of 18 g of water?

Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is

Electrolysis of water is a decomposition reaction. The sum of mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is

When hydrogen burns is oxygen, water is formed and when water is electrolysed, then hydrogen and oxygen are produced. What type of reaction takes place : (a) in the first case. (b) in the second case ?

Ratio in hydrogen and oxygen in water molecule by volume is

The ratio between hydrogen and oxygen in a carbohydrate is