Chemistry in daily life 4

Chemistry Level 1

What will happen if nitrogen's share of the atmosphere is occupied by oxygen?

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Combustion will become uncontrollable There will be little effect on combustion There will be no effect on combustion Fires will not be possible

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Mayank Holmes by Mayank Holmes , 25, India

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8 solutions

Mayank Holmes
May 16, 2014

nitrogen provides an inert atmosphere......... due to which combustion can be controlled . But if this nitrogen is removed then every thing and anything would burn to be charred and no one and nothing would be able to stop it!

25 Helpful 0 Interesting 0 Brilliant 1 Confused

In fact, materials like petrol or other hogh combustibles, will catch fire, as low as at -40 degrees, due to their extremely low flash point, and their exothermic burning would give heat for the rest to burn. Just like our sun.

A Brilliant Member - 7 years ago

If we have a fuel and lot of oxygen,then combustion will be continued until all fuels are burnt,but to some extent.After that combustion will stop and there will be no use of oxygen.Hence answer should be "no effect on combustion".

Aamir Faisal Ansari - 7 years ago

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I agree. The other reasonable answer would be "little effect on combustion", because flammable materials will in fact burn a bit more intensely in a pure oxygen environment. But that's all. Nitrogen wouldn't stop flammable materials from burning until either 1) there is no more flammable materials left, or 2) there is no more oxygen left. Which is why wooden houses tend to burn to the ground, nitrogen or no nitrogen.

Michael Mendrin - 6 years, 11 months ago
Dharani Balan
May 27, 2014

during combustion,nitrogen behaves as an inert gas and does not react with other elements.Therefore the presence of nitrogen greatly affects the combustion.Therefore absence of nitrogen allow the fire to be uncontrollable

6 Helpful 1 Interesting 1 Brilliant 0 Confused
Tanya Rajendran
May 22, 2014

nitrogen will not support combustion but oxygen supports combustion so if nitrogen is removed fire will be uncontrollable.

3 Helpful 0 Interesting 0 Brilliant 0 Confused

If we have a fuel and lot of oxygen,then combustion will be continued until all fuels are burnt,but to some extent.After that combustion will stop and there will be no use of oxygen.Hence answer should be "no effect on combustion".

Aamir Faisal Ansari - 7 years ago

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there will be an incredible effect on the combustion of anything! suppose a fire breaks out in your house and there is no nitrogen in the atmosphere then no matter how quickly does the fire brigade arrive ........ your house would be charred in the time span of few seconds!!!!!!

Mayank Holmes - 6 years, 11 months ago
Vikram Venkat
Mar 3, 2015

Imagine oxygen at 78%! Phew. We would have been roast meat by now!!

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Aditya Keshri
Jan 15, 2015

Oxidation needs oxygen in heavy amount .. and if nitrogen is replaced then our surroundings will have about 80% to 90% of oxygen due to which , reaction level will increase rapidly :)

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Avinash S
Jun 16, 2014

If oxygen is replaced with nitrogen it will lead to a higher amount of oxidation of various metals present in the air.for eg: it will take less time for iron to form ferrous oxide

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Om Boghra
Feb 10, 2018

Because N + O2=NO2 Which is fireable conclusion

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A E
Jan 21, 2018

99% oxygen will be present then ..so fires will uncontrollably get larger and larger

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