Question

why do we need to obtain pure substances​

Answer 1

Answer:

We need pure substances because of the following reasons: A pure substance has a fixed melting and fixed boiling point. A pure substance has its characteristic taste, colour and odour. Pure substances can not be broken further into more simple substances by any physical means.

Explanation:

Answer 2

Explanation:

We need pure substances because of the following reasons: A pure substance has a fixed melting and fixed boiling point. A pure substance has its characteristic taste, colour and odour. Pure substances can not be broken further into more simple substances by any physical means