Photosynthesis in green plants is an example.
Endothermic reaction
Exothermic reaction
Calcination reaction
Roasting
The catalyst used for the Haber presence of ammonia manufacture
Iron
Nickel
Zeolite
Vanadium pentoxide
Methane on reaction with oxygen gives
CO2 and CO
CO2 and H2O
CO and H2
C and H2
The enzyme in blood and liver that convents hydrogen peroxide into harmless water and oxygen
Zymase
Catalase
Invertase
Lactase
