<prompt> What is the pressure at which oxygen is stored?75psi1600psi760 psi2200 psi  <response>: Ans. is d i.e., 2200 psi GasType of cylinder and storage formColour codeCapacityPressurePin-IndexOxygenE. cylinderH. cylinderGasBlack with white shoulderE-660 lit.H-6900 lit.2200 psi2.5Nitrous oxideEHLiquidBlueE- 1590 lit.H-15800 lit.760 psi3.5AirE. gasGrey body with black white shoulder625 lit.2000 psi1,5CarbondioxideE. liquidGrey-1590 lit750 psi2, 6 7.5l, 6 7.5CyclopropaneLiquidOrange-75 psi3.6HeliumGasBrown-1600 psi Entonox50 O2 50 N.O2LiquidBlud body with blue white shoulder-2000 psiCentral 7NitrogenGasGrey body with black shoulder--- 