Question

Why the separation of substance in necessary?

Answer 1

1. To get completely pure substances like water, metals etc.
2. To get useful substances like minerals, petrol,etc.
3. To remove certain unwanted or harmful substances from a mixture.

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Answer 2

Answer:

Explanation:

Ans: Among different components of mixture there are many substances which are harmful or not useful for us. To remove these harmful or unuseful components we need to separate them. For example: (a) Tea leaves are separated from the liquid with a strainer while preparing tea.

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