Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
Crude Oil
106 practice questions
Topics covered
Practice questions
61–70 of 106
Question 61
3 marks · Easy
Answer and see the solution →The table shows the percentage use of refinery gases in different applications. Application Percentage (%) Domestic heating 60 Cooking 30 Other industrial uses 10 (a)[1 mark]Which application uses the greatest proportion of refinery gases?
(b)[1 mark]Calculate the total percentage of refinery gases used for domestic purposes (heating and cooking).
(c)[1 mark]State one industrial use of refinery gases, other than heating or cooking.
Question 62
1 mark · Easy
Answer and see the solution →State the main use of gasoline (petrol).
Question 63
2 marks · Easy
Answer and see the solution →A 12 kg gas cylinder is used for cooking in a household kitchen. The gas inside is refinery gas (LPG), which is a typical use of refinery gases.
Suppose each meal uses 0.5 kg of LPG. Calculate the maximum number of meals that can be cooked with a full 12 kg cylinder.
Question 64
3 marks · Easy
Answer and see the solution →(a)[2 marks]Name two typical uses of refinery gases.
(b)[1 mark]State the main chemical in refinery gases used for domestic heating.
Question 65
2 marks · Easy
Answer and see the solution →A car travels 40 km using gasoline (petrol) as fuel. If the car uses 8 litres of gasoline to cover this distance, calculate how many kilometres the car can travel per litre of gasoline. State your answer to 1 decimal place.
Question 66
2 marks · Normal
Answer and see the solution →State two typical uses of refinery gases.
Question 67
4 marks · Normal
Answer and see the solution →Gasoline (petrol) is an important fraction produced from crude oil.
(a)[1 mark]State what gasoline (petrol) mainly consists of.
(b)[2 marks]Give two different uses of gasoline.
(c)[1 mark]Explain why gasoline is suitable for its main use in vehicles.
Question 68
3 marks · Normal
Answer and see the solution →Most cars use gasoline (petrol) as a fuel.
Explain why gasoline, rather than refinery gases, is usually chosen as the preferred fuel for cars.
Question 69
3 marks · Normal
Answer and see the solution →A household gas tank contains 18 kg of liquefied petroleum gas (LPG), which is a typical use of refinery gases. LPG is mainly a mixture of propane () and butane ().
If the average molar mass of LPG is assumed to be , calculate how many moles of LPG the tank contains. State one typical domestic use of LPG in your answer.
Question 70
4 marks · Normal
Answer and see the solution →The table shows data about the use of refinery gases in different countries.
Country Percentage of refinery gases used for domestic heating (%) Percentage used for cooking (%) Country X 55 30 Country Y 70 20 Country Z 40 50 (a)[1 mark]Which country uses the greatest percentage of refinery gases for cooking?
(b)[1 mark]Calculate the combined total percentage of refinery gases used for domestic heating and cooking in Country Y.
(c)[2 marks]Suggest one reason why the percentages used for heating and cooking might differ between countries.