define chemical reaction with two examples
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A chemical reaction happens when one or more chemicals are changed into one or more other chemicals.
Examples: iron and oxygen combining to make rust. vinegar and baking soda combining to make sodium acetate, carbon dioxide and water. things burning or exploding
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chemical reaction
a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
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.
- Mixing baking soda and vinegar to produce carbon dioxide gas.
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