Which mixture is used for respiration by deep sea divers?

Assertion: A mixture of He and O_(2) is used for respiration for deep sea divers. Reason: He is soluble in blood.

Helium is mixed with oxygen for the respiration by deep sea divers, because

The simple ratio of a mixture of the He and O_2 is used for the respiration for deep see divers __________

Fill in the blanks by choosing the appropriate option. The noble gases can form compounds with (i) and (ii) . The mixture of (iii) and (iv) is used for respiration by divers.

Fill in the blanks by choosing the appropriate option. The noble gases can form compounds with (i) and (ii) . The mixture of (iii) and (iv) is used for respiration by divers.

Which noble gas is used along with O_2 for respiration by sea divers ?

The mixture of gases used by deep - sea diver is _____.

Helium-oxygen mixture is used by deep sea divers in the presence of nitrogen-oxygen mixture because