Anaesthesia Colour coding of halothane , isoflurane, sevoflurane and desflurane is respectively A red, purple, blue , yellow B red , purple, yellow , blue C red , yellow, purple, blue D red, blue , purple, yellow 💡 Explanation Colour coding of halothane , isoflurane, sevoflurane and desflurane is respectively ✓ Correct Answer: B. red , purple, yellow , blue