Question

Hydrogen burns and oxygen help to burn but water which consists hydrogen and water helps extinguishing fire.WHY

Answer 1

This is because in formation of H²0 both hydrogen and oxygen loses huge amount of energy, energy of h2o is lesser than that of h2 and o2, also due to week hydrogen bond which emit enormous heat energy...

Answer 2

Hello yaar,

Hydrogen burns and Oxygen helps in burning. Hydrogen combines with Oxygen to give out water and water is used in extinguishing fire. This happens because when a chemical reaction takes place the new substance obtained (water) has completely different properties without connection with the reactants.


hope it helps u....