Question

what do you mean by chemical reaction. give an example of chemical reaction​

Answer 1

Answer:

when two reactant come together they react with each other the process of reacting with each other is known as reaction.

example:- when hydrogen reacts with oxygen it forms H2O ( water )

Answer 2

hi frnd.
here is ur answer.


chemical reaction

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

examples:
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.