Question

I need an example of impure substance​

Answer 1

Answer:

hey mate

examples of impure substance is oxygen,hydrogen,gold,silver,copper,common,salt,pure water ,alum.

Answer 2

Answer:

hey mate ...

Explanation:

.An impure substance is one which is a mixture of two or more kinds of molecules and has no definite composition and properties.

examples: air,soil,etc...

hope it helped..