Anaesthesia All statements are true about gas cylinders except A Pressure of N2O is 745 psig at 20 degrees centigrade B Higher pressure indicates impurity in N2O C N2O is in liquid form D Emergency oxygen 'E' cylinder has more gas than 'H' cylinder 💡 Explanation All statements are true about gas cylinders except ✓ Correct Answer: D. Emergency oxygen 'E' cylinder has more gas than 'H' cylinder