Chemistry Of Hydrocarbons - Online Mcqs Test - Chemistry 12th (Part III) Chemistry XII Class MCQs – Chemistry Of Hydrocarbons – 12th Chemistry Of Hydrocarbons – Online Mcqs Test (19 Mcqs) 1/23jQuizMe *All closed chain hydrocarbons possessing a hexagonal ring of six carbon atoms like benzene or benzene derivates are called:Aliphatic hydrocarbons Unsaturated hydrocarbons Alicyclic hydrocarbons Aromatic hydrocarbons Chemistry Notes XII,Chemistry Online Mcqs XII Chemistry Of Hydrocarbons Chapter List | Theory & Question Answers | Mcqs | Online Mcqs