Why oxygen mixed with helium is used by deep sea divers?
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Becoz helium as noble gas
Can,t react with body tissue abruptly as oxygen doesn't while coming up
The pressure decreases so the vol. Of oxygen increases n cause blend
Which r extremely painful n in severe cases may also cause death
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Explanation:
The main reason for adding helium to the breathing mix is to reduce the proportions of nitrogen and oxygen below those of air, to allow the gas mix to be breathed safely on deep dives. ... Helium has very little narcotic effect. A lower proportion of oxygen reduces the risk of oxygen toxicity on deep dives.
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