Theory:

Most of us love to drink TEA or COFFEE, isn't it? While making tea, we used to separate the liquid with a strainer. But, do you know why we do that?
 
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The strainer filters the impurities or other non-essential stuff in the tea. This method is known as filtration because we are filtering the liquid.

In our daily life, we use to separate many substances from a mixture of materials.
 
In this chapter, we will learn the reasons to separate substances from its mixture, and different methods involved in the separation process.