C1 Fractional Distillation of Crude Oil 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: jadedavisonweirCreated on: 22-03-16 17:15 what is crude oil a mixture of hydrocarbons 1 of 11 what is crude oil formed from buried remains of plants and animals 2 of 11 what is a mixture two or more elements or compounds that arent chemically bonded together 3 of 11 what happens to crude oil in the process of fractional distillation split into separate groups of hydrocarbons 4 of 11 what is crude oil mostly a mixture of hydrocarbon molecules 5 of 11 because it is a mixture what does this mean for the individual compounds they all keep their original properties e.g. condensing points 6 of 11 how does this enable fractional distillation the vaporised oil rises up the column and the various fractions are constantly tapped off at the different levels where they condense 7 of 11 what happens to viscosity as the chain of hydrocarbons get shrter less viscous (runny) 8 of 11 what happens to volatility as the chain of hydrocarbons get shorter more volatile (lower boiling point) 9 of 11 what happens to flammability as the chain of hydrocarbons gets shorter more flammable (easier to ignite) 10 of 11 what are the products of crude oil mostly alkanes 11 of 11
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