Question

Is the given material comes under the category of "pure substance" or not? - Air.

Answer 1

Hi , there !!!

air does not come in pure substance because it does not made of single type of element or substance


air , comprise of many type of material present in it.



for example:-
dust particle , carbon dioxide , carbon monoxide, dust particle , water vapour, Nitrogen , Oxygen and many type of gases .


so it composed of many type of gases so it does not come into pure substance.



Instead of coming into pure substance it come in the category of mixture .




hope it helps you !!!!


thanks !!!

Ranjan kumar

Answer 2

A pure substance is one which has the same composition throughout its body.

So, we can say that Air is $\textbf{not a pure substance,}$ because Air shows that it has the composition of various gases at differnt level of concentration and in varying at differnt places.