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Q.

In hospitals, the oxygen tubes for respiration contain

1) nitrogen      2) helium     3) argon     4) oxygen

The correct answers are

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An Intiative by Sri Chaitanya

a

1 and 2

b

1 and 3

c

2 and 4

d

1 and 4

answer is B.

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Detailed Solution

In hospitals, the oxygen tubes for respiration contain oxygen and helium. This mixture of oxygen and helium is called Heliox. It is a breathing gas.
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In hospitals, the oxygen tubes for respiration contain 1) nitrogen      2) helium     3) argon     4) oxygen The correct answers are