NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
Why is helium used as a diluent for oxygen in modern diving apparatus?
Options
- ABecause it is flammable
- BBecause it is highly soluble in blood
- CBecause it is non-inflammable and has low solubility in blood
- DBecause it is a good conductor of electricity
Correct answer
C. Because it is non-inflammable and has low solubility in blood
Step-by-step solution
Helium is used as a diluent for oxygen in modern diving apparatus because it is non-inflammable and has very low solubility in blood.