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AP EAMCET2015Chemistryp Block Elements (Group 15, 16, 17 & 18)

Sea divers use a mixture of

Options

  1. AO₂, N₂
  2. BO₂, H₂
  3. CO₂, He
  4. DN₂, H₂

Correct answer

C. O₂, He

Step-by-step solution

In place of nitrogen, helium is mixed with oxygen because helium is not soluble in blood even under high pressure.

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