Question

what is chemical reaction explain with an example

Answer 1

Chemical reaction : Chemical reaction is a process in which new substance produced with new properties.

for example :Mg+O2 ====>MgO
Magnesium ribbon is burnt in air (O2) and form a new substance magnesium oxide

Answer 2

A change in which one or more new substances are formed is called a chemical change a chemical change is also known as a chemical reaction Eg mg+O2-Mgo