Question

How scientist have discovered that we take something and takes out something is o2 and co2 and also how they got that there is a much variety of air exist????? Plz answer in details!!​

Answer 1

Answer:

Every gas present in air has a particular Density and it possesses a particular characteristics that is not possesed by any other.

Explanation:

It was known from early period that air exists but they didn't know it's composition and components.

When technology developed we found some gases individually by either chemical reaction or any other practices (chemical reaction produces n2 or o2)

We also found it in air and Every gas has a particular character as we knew.

So finally with advancement in texhnology we got all info..

Hope. It helped you... Somehow.