Question

justify that air is mixture and water is compound

Answer 1

What is a mixture? A mixture consists of constituents in indefinite proportion. It may change over time. Air has 78% Nitrogen, 21% Oxygen and 1% other constituents such as CO2, water vapour etc. About 100 years ago proportion of CO2 in air was about 0.029% and now it is 0.035%. Thus we see that it's proportion has changed. Therefore, air is a mixture.


Here’s a water molecule. Notice that it’s made of three atoms: two hydrogen and one oxygen, all joined together. Because they are atoms of different types, it’s a compound.


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Answer 2

air is a mixture because it has different component / constituents in different ratio by masss nd also dont hv any chemical formula ....

but water is a compound because in this the hydrogen nd oxygen are mixed in fixed ratio by mass and also hv a fixed chemical formula ...H2O.

hope so it will help uuh