Question

what is pasteurisation? what is the use of it?

Answer 1

Pasteurization is a technique for preserving milk.
This is invented by Louis pasteur  .
Uses: This method is useful for preserving quality of milk and to kill harmful bacteria.
Hope it is clear
 

Answer 2

Pasteurization is a type of techinique used for preserving milk. It consists of heating milk to a high temp of 70 degree for bout a min n then cooling it quikly .this kills most of the bacteria without effecting the flavor .This method  was invented by Louis Pasteur.