10 examples of chemical reaction in everyday
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Common Chemical Changes
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
While it's not always easy to tell a chemical change has occurred (as opposed to a physical change), there are some telltale signs. Chemical changes may cause a substance to:
Change color
Change temperature
Produce bubbles
Produce precipitate (in liquids)
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