PIN number of oxygen is
Ans: a (2,5 ) Ref: Ajay Yadov, 2nded, p. 22Pin index for gasesOxygen-2,5 Entonox(50%02 +50%N2O)-7Nitrous oxide-3,5 Carbondioxide(<7.5%)-2,6Cyclopropane-3,6 Carbondioxide(> 7.5%)-1,6Air-1,5 Nitrogen-1,4
2,5
3,5
2,6
3,6
Miscellaneous (Bio-Chemistry)