Question

chemical composition of. air. _______ std8. chapter 6 composition of. matters. science​

Answer 1

Composition of air

Nitrogen — 78 percent.

 Oxygen — 21 percent.

 Argon — 0.93 percent. 

Carbon dioxide — 0.04 percent.

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Answer 2

Answer:

the composition of atmospheric air is-

nitrogen- 78%

oxygen- 21%

other gases- 1%

( they mainly contain

argon-0.93%

carbon dioxide- 0.04%)

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