Which alkane has the formula C2H6?MethaneEthanePropaneButane2Alkanes are ‘saturated’ hydrocarbons. What types of bonds do they contain?Double C=C bonds and single C-H bondsDouble C=C bonds and double C=H bondsSingle C-C bonds and single C-H bondsSingle C-C bonds and double C=H bonds3What is crude oil?Renewable fuel containing hydrocarbonsRenewable fuel containing minerals and metal oresNon-renewable fuel containing hydrocarbonsNon-renewable fuel containing minerals and metal ores 4What process is used to separate crude oil into simpler mixtures of hydrocarbons?Fractional distillationPolymerisationEvaporationFiltration5Which of the following statements about the process of fractional distillation is not correct? The temperature decreases going up the columnThe fractions collected at the top contain hydrocarbons with the longest moleculesCrude oil is fed in near the bottom of the column as hot vapourThe different fractions condense into liquids when they reach the temperature of their boiling points6Which of the following are some properties of small hydrocarbons compared with larger hydrocarbons? Higher boiling point, lower volatility, lower viscosity, lower flammabilityLower boiling point, higher volatility, lower viscosity, higher flammabilityHigher boiling point, higher volatility, higher viscosity, higher flammabilityLower boiling point, lower volatility, lower viscosity, lower flammability