<prompt> Nitroglycerine is effective when administered sublingually because it is:Non ionized and lipid solubleIonized and lipid solubleNon ionized and Water insolubleIonized and water insoluble  <response>: Ans. A Non ionized and lipid solubleRef: KDT 8the p28Nitroglycerin is effective when retained sublingually because it is non-ionized and has very high lipid solubility. Thus, the drug is absorbed very rapidly. 