Question

2. Why do we need pure substances ?​

Answer 1

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

Hope it helps you mate...........

Allah Hafiz

Answer 2

Answer:

We need pure substances because of the following reasons:

1. A pure substance has a fixed melting and fixed boiling point.

2. A pure substance has its characteristic taste, colour, and odour.

3. Pure substances can not be broken further into more simple substances by any physical means.