Some examples of chemical changes are The rusting of iron
Combustion (burning) of wood
The metabolism of food in the body
Mixing an acid and a base, such as hydrochloric acid (HCl) and sodium hydroxide (NaOH)
Cooking an egg
Digesting sugar with the amylase in saliva
Mixing baking soda and vinegar to produce carbon dioxide gas
Baking a cake
Electroplating a metal
Using a chemical battery
The explosion of fireworks
Rotting bananas
Grilling a hamburger
Milk going sour
