Chemistry(AQA GCSE) Latest Exam And
All Correct Answers.
What are hydrocarbons? - Answer Compounds that only contain carbon and hydrogen.
What are the two types of hydrocarbon? - Answer Alkanes and alkenes.
What is the general formula for an alkane? - Answer CnH2n+2
Multiple choice: Hydrocarbons / Alkanes / Alkenes only have C-C single bonds. - Answer Alkanes.
Fill in the gaps (1): The alkanes are a —— series; a group of elements that react in a similar way. - Answer
Homologous.
Multiple choice: Alkanes are saturated / unsaturated / fractionated compounds. - Answer Saturated.
What are the first four alkanes? - Answer Methane, Ethane, Propane, Butane.
Multiple choice: Higher chain lengths in hydrocarbons have a positive / a negative / no correlation with
viscosity. - Answer Positive.
Multiple choice: Higher chain lengths in hydrocarbons have a positive / a negative / no correlation with
volatility. - Answer Negative.
Multiple choice: Higher chain lengths in hydrocarbons have a positive / a negative / no correlation with
flammability. - Answer Negative.