Question

Please help.!
What is chemical reaction with examples explain?

Answer 1

A chemical reaction happens when one or morechemicals are changed into one or more otherchemicals. Examples: iron and oxygen combining to make rust. vinegar and baking soda combining to make sodium acetate, carbon dioxide and water.

Answer 2

$\implies\huge\tt\red{Answer-}$

• A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.

• A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

Example :-

1)Cao + H2O $\longrightarrow$Ca(OH)2

2) 2H2 + O2 $\longrightarrow$ 2H2O

3)H2+ Cl2 $\longrightarrow$ 2HCl

4)2FeSO4$\longrightarrow$ Fe2O3+SO2+SO3