what is a chemical change
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a chemical change occurs when two substances react chemically to form new substances with different chemical properties.
example -
- rusting of iron
- burning of wood
- milk becoming curd
- baking of cake
- acid base reaction
- cooking of food
- Digestion of food
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Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. ... An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen.
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