Question

which word equation shows hydrogen reacting with oxygen to form water?
oxygen + water → hydrogen
hydrogen + oxygen → water
oxygen + water → hydrogen + water
hydrogen + water → oxygen

Explanation:

Step1: Identify reactants and product

Hydrogen and oxygen react to form water. Reactants are on left - hand side and product on right - hand side.
So the correct word equation is hydrogen + oxygen → water.

Answer:

hydrogen + oxygen → water