Question

What is chemical changes give example

Answer 1

Combustion reactions, such as a burning candle, are also examples of the chemical change through the combination of wax and oxygen in a reaction that produces heat, light, and carbon dioxide. Decomposition, the opposite of combination, occurs when a single substance breaks down into two or more different substances.
Examples of Chemical Changes areburning wood.souring milk.mixing acid and base.digesting food.cooking an egg.heating sugar to form caramel.baking a cake.rusting of iron.

Answer 2

Hey,

Ur answer is here,

Chemical Change, also known as Chemical reaction. In this change, formation of new substance takes place. Some characteristics of chemical change are:-
1)formation of precipitate
2)change of state
3)change in color
4)absorption or evolution of heat.

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