1. Hydrocarbons are organic compounds with element a) Hydrogen b) Oxygen c) Carbon d) Both hydrogen and carbon AnswerAnswer: d [Reason:] These organic compounds are made up of only carbon and hydrogen and hence the name hydrocarbons. 2. Find the odd one out: a) Aromatic b) Alkanes c) Alkynes d) Alkenes AnswerAnswer: a [Reason:] aromatic…