Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
Crude Oil
106 practice questions
Topics covered
Practice questions
91–100 of 106
Question 91
4 marks · Normal
Answer and see the solution →The table below shows different fuel types and some of their typical uses. Study the table and answer the questions that follow.
Uses of Common Fuels Fuel Typical Use Refinery gas LPG for heating and cooking Gasoline (petrol) Fuel for cars Kerosene ? Diesel Fuel for lorries and some cars a) Complete the table by stating two uses of kerosene. (2 marks)
b) Suggest one reason why kerosene is used as a fuel for jet aircraft, rather than gasoline. (2 marks)
Question 92
4 marks · Normal
Answer and see the solution →Kerosene is a fraction obtained from the distillation of crude oil.
(a)[1 mark]State one typical use of kerosene in transport.
(b)[1 mark]Give one typical use of kerosene in the home.
(c)[1 mark]Name one way kerosene is used for light or heating.
(d)[1 mark]Why is kerosene preferred over petrol for jet aircraft?
Question 93
2 marks · Hard
Answer and see the solution →State two typical uses of kerosene, choosing each use from a different everyday context.
Question 94
5 marks · Hard
Answer and see the solution →Kerosene is an important hydrocarbon fraction obtained from crude oil. It is commonly used in different everyday situations.
(a)[1 mark]State one use of kerosene in transport.
(b)[1 mark]State one use of kerosene in the home.
(c)[1 mark]Describe another use of kerosene, not related to transport or the home.
(d)[2 marks]For one of the uses you have stated, explain briefly why kerosene is suitable for that purpose.
Question 95
2 marks · Hard
Answer and see the solution →Kerosene is widely used as a fuel in different settings. State one typical use of kerosene in transport and one typical use in buildings.
Question 96
5 marks · Easy
Answer and see the solution →Crude oil is very important in modern life. It is separated into fractions for different uses.
(a)[1 mark]State what crude oil is mainly made of.
(b)[1 mark]Crude oil is separated into fractions. Give one example of a product obtained from a fraction of crude oil and state its use.
(c)[2 marks]Describe how the viscosity and colour of hydrocarbon liquids change as the size of their molecules increases.
(d)[1 mark]Explain why larger hydrocarbon molecules have higher boiling points than smaller ones.
Question 97
5 marks · Easy
Answer and see the solution →Burning fuels from crude oil can cause air pollution and environmental problems. These fuels can be separated into different fractions with different properties and uses.
(a)[2 marks]Explain how burning fuels from crude oil can contribute to acid rain. State one pollutant involved.
(b)[1 mark]Give one way in which using fractions with larger hydrocarbon molecules can increase air pollution compared to using fractions with smaller molecules.
(c)[2 marks]State one property and one use of the gasoline fraction from crude oil.
Question 98
5 marks · Easy
Answer and see the solution →The oil in underground rocks forms over a long time and is separated into fractions by boiling.
(a)[1 mark]State how crude oil forms from ancient sea plants and animals.
(b)[1 mark]A crude oil fraction boils at 350°C. A second fraction boils at 120°C. Calculate the difference in boiling points.
(c)[2 marks]Suggest what you can conclude about the size of hydrocarbon molecules in these two fractions, based on their boiling points.
(d)[1 mark]Give one reason why smaller hydrocarbons are more useful as fuels than larger molecules.
Question 99
5 marks · Easy
Answer and see the solution →Hydrocarbons in crude oil are separated into different groups, called fractions, for different uses. These fractions have different properties.
(a)[1 mark]State what a hydrocarbon is.
(b)[1 mark]State one reason why crude oil is called a non-renewable resource.
(c)[2 marks]Describe one way the boiling point and one way the colour of a hydrocarbon fraction would change as its molecules get bigger.
(d)[1 mark]Explain why smaller hydrocarbon fractions are often used as fuels.
Question 100
6 marks · Normal
Answer and see the solution →Crude oil is separated into different fractions in an oil refinery. Some of these fractions are used as fuels in daily life.
(a)[2 marks]Describe briefly how crude oil is separated into fractions in a refinery.
(b)[2 marks]Name two main fractions obtained from fractional distillation and state one typical use for each.
(c)[1 mark]Refinery gases are an important by-product at a refinery. State one use of refinery gases.
(d)[1 mark]Give the main use of gasoline in modern society.