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the name of this compaund C₄H₁₀

• METHANE

• HEXENE

• BUTANOIC ACID

• BUTANE

What kind of molecule is this?

• alkane
• alkene
• alkyne
• cycloalkane

Is this hydrocarbon saturated or unsaturated? 

• saturated
• unsaturated

Name this alkane

• Methane
• Ethane
• Propane
• Butane

The longer the hydrocarbon, the _______ the boiling point

• Lower
• Higher

What process is used to separate crude oil in hydrocarbons with different chain lengths?

• distillation

• fractional distillation

• cracking

• polymerisation

Where in the fractionating column are shorter chain hydrocarbon molecules obtained?

• At the top

• At the bottom

Fractional distillation separates crude oil based on the different __________ of the molecules in the mixture

• melting point

• boiling point

• freezing point

• chemical reactivity

Molecules collected at the bottom of the fractionating column tend to be...

• more viscous, less flammable and less volatile

• less viscous, more flammable and more volatile

• more viscous, more flammable and less volatile

• less viscous, less flammable and more volatile

Molecules collected at the top of the fractionating column tend to be...

• more viscous, less flammable and less volatile

• less viscous, more flammable and more volatile

• more viscous, more flammable and less volatile

• less viscous, less flammable and more volatile