Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Unit
Organic Chemistry
785 practice questions
Topics covered
Practice questions
101–110 of 317 · Easy
Question 101
2 marks · Easy
Answer and see the solution →Explain why gasoline (petrol) is mainly used in cars, instead of being used as a domestic fuel for heating.
Question 102
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 103
1 mark · Easy
Answer and see the solution →State the main use of gasoline (petrol).
Question 104
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 105
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 106
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 107
1 mark · Easy
Answer and see the solution →State one typical use of kerosene.
Question 108
3 marks · Easy
Answer and see the solution →Kerosene is a useful fraction produced from crude oil.
(a)[2 marks]State two different uses of kerosene.
(b)[1 mark]Give one reason why kerosene is chosen as a fuel for jet aircraft.
Question 109
2 marks · Easy
Answer and see the solution →A kerosene lamp uses 0.4 litres of kerosene each day. Calculate:
(a)[1 mark]How many litres of kerosene are needed to run the lamp for 5 days?
(b)[1 mark]State one use of kerosene other than in lamps.
Question 110
2 marks · Easy
Answer and see the solution →Explain why kerosene is suitable as a fuel for jet aircraft.