Chemistry, asked by REDBALLZ7214, 11 months ago

Why do we need chemical changes in our life with examples?

Answers

Answered by Anonymous
1

Explanation:

It is not necessary at this stage to talk about particles such as atoms or molecules or chemical bonds. ... The oxygen in air is a very reactive chemical and is important in many chemical reactions such as combustion, rusting and the reactions by which we get energy from the food we eat.

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