Made for the new aqa gcse chemistry specification to be sat summer 2018. Students will be able to take rich notes on fractional distillation of crude oil, building on their ks4 knowledge on this topic. It is formed from the remains of plants and animals which died millions of years ago. Crude oil is a mixture of a very large number of compounds. A fraction of crude oil is a mixture of chemicals in the crude oil that have similar boiling points. They use a fractionating column, which is a giant vertical tank that is very hot at the bottom, and very cool at the top. Support site for pearsons edexcel international gcse chemistry books. Gcse science chemistry 91 fractional distillation of. These tables vary from source to source internet, textbook etc.
Fractional distillation of crude oil the student room. In this video, we look at how the hydrocarbons in crude oil are separated by fractional distillation. Petrol and other fuels are produced from it using fractional distillation. The many hydrocarbons in crude oil may be separated into fractions, each of which contains molecules of a similar size, by evaporating the oil and allowing it to condense at a number of different temperatures this process is called fractional distillation this video explains how fractional distillation works. Most of the compounds in crude oil consist of molecules made up of hydrogen and carbon atoms only, we call these type of compounds hydrocarbons. What is fractional distillation fractional distillation is a separation technique that is used for liquids that dissolve in each other. Separating crude oil gcse chemistry single science revision. Requires a demo of fractional distillation using standard distillation apparatus and a mixture of various fractions. Cracking is used to convert long alkanes into shorter, more. Fractional distillation gcse chemistry will we continue to learn about organic chemistry after crude oil has finished. Scientists have found that heating up crude oil can be used to separate out its different components. The teacher will be able to quickly assess students understanding of fractional distillation of crude oil by carrying our mini afl tasks either on mini white boards or in students books. Students need to understand how fractional distillation is carried out in.
Fractional distillation of crude oil fractional distillation gcse. Learn about the process of oil distillation in order to create fuels and plastics with bbc bitesize gcse chemistry. Fractional distillation, example 6 mark answer youtube. Crude oil contains a mixture of different hydrocarbon compounds that boil at different temperatures. Petrol and other fuels are produced from it by fractional distillation. Fractional distillation separates a mixture into a number of different parts, called fractions. The fractional distillation of crude oil resource rsc education. Fractional distillation of crude oil fractions and useful. Crude oil substitute highly flammable and harmful see cleapss hazcard and cleapss recipe book. This video explains how crude oil is separated into different fractions using fractional distillation. How crude oil is formed how crude oil is separated using fractional distillation the process of fractional distillation.
Liquids that dissolve in each other are called miscible. Gcse science chemistry 91 crude oil and hydrocarbons duration. Deliberate thought by kevin macleod is licensed under a creative commons attribution licence. Fractional distillation of crude oil, pages 1445, gcse combined science trilogy. Fractional distillation of crude oil refining uses of fractions, methane. Why is crude oil considered a fossil fuel when it isnt used as a fuel. A liquid can be separated from a mixture of liquids in a solution by fractional distillation the solution is heated until it boils. Fractional distillation is carried out at oil refineries, for example at phillips 66 on the humber estuary. Learn about fuels from crude oil with bitesize gcse combined science ocr gateway. These videos are designed to help you with your gcse science revision. In this gcse organic chemistry revision video, hazel discusses fractional distillation and provides a background into crude oil.
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