Question

How does we represent a chemical reaction. Give an example?​

Answer 1

Answer:

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.

Answer 2

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A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products. Log burning in a fire. Burning wood is an example of a chemical reaction in which wood in the presence of heat and oxygen is transformed into carbon dioxide, water vapour, and ash.