Question

Hydrogen fuel cells burn with _______ and produce _______.

Answer 1

with oxygen to form water

Step-by-step explanation:

In a flame of pure hydrogen gas, burning in air, the hydrogen (H2) reacts with oxygen (O2) to form water (H2O) and releases heat. If carried out in atmospheric air instead of pure oxygen (as is usually the case), hydrogen combustion may yield small amounts of nitrogen oxides, along with the water vapor.

Answer 2

Hydrogen fuel cells burn with Oxygen and produces Water.

It is commonly used to produce electricity.