Question

What is the other name for impure substances give two examples of impure substances?

Answer 1

any thing like sea salt and sea calcium

Answer 2

The other name for impure substance is mixture. Two examples are :- 1) KMno4 solution and soil.

KMno4 solution contain water and KMno4.

The soil contains a lot of particles like caly soil, moisture, mud and many more.