identify the mixtures from the following oxygen co2 hydrogen air
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Answered by
3
Answer:
ANSWER
The mixture consists of constituents in indefinite proportion. It may change over time. Air has 78% Nitrogen, 21% Oxygen and 1% other constituents such as CO
2
, water vapour etc. About 100 years ago the proportion of CO
2
in the air was about 0.029% and now it is 0.035%. Thus we see that it's proportion has changed.
Answered by
1
Answer:
Air is the right answer.
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