<prompt> What is color of medical oxygen cylinder?Black body with grey shoulderGrey body with black and white shoulderBlack body w ith white shoulderGrey body with black shoulder  <response>: Ans. c. Black body with white shoulder Ref: Anaesthetic Equipments Procedures, Practical ApproachP37, 38 The color of a medical oxygen cylinder is a black body with a white shoulder.Color Identification of Medical Gas CylindersName of gasBodyShoulderPin indexAirGreyQWhite black quarterQ1,5QCarbon dioxide Cone. 7.5GreyQGreyQ1, 6QOxygenBlackWhiteQ2, 5QCarbon dioxide Cone. 7.5GreyQGreyQ2, 6QNitrous oxideBlueQBlueQ3, 5QCyclopropaneOrangeQOrangeQ3, 6QEntonox 50 O2 N2OBlueQBlue white quarterQ7QHeliumBrownQBrownQ-Mix of oxygen helium He 80.5BrownQWhiteQ2, 4QMix of oxygen helium He 80.5BrownQWhiteQ4, 6QNitrogenBlackQBlackQ1,4Q 