How is crude oil separated into fractions?
The crude oil is placed into large tanks, which are heated at the bottom, creating a gradient whereby the column is cooler at the top. The heat causes the oil to evaporate, and each fraction will reach a different height before it condenses due to the cooler temperature.
SC
Related Chemistry GCSE answers
All answers ▸Potassium forms an ionic compound with sulfur. Describe what happens when atoms of Potassium react with atoms of sulfur. Give your answer in terms of electron transfer.
How do you test for the different halide ions?
Describe the structure of an atom and an ion.
How does hot water in lakes make fish die