3 Diesel oil is a mixture of hydrocarbons that can be obtained from crude oil - Edexcel - GCSE Chemistry - Question 3 - 2021 - Paper 1
Question 3
3 Diesel oil is a mixture of hydrocarbons that can be obtained from crude oil.
(a) State the name of the process used to separate diesel oil from crude oil. (1)
(b... show full transcript
Worked Solution & Example Answer:3 Diesel oil is a mixture of hydrocarbons that can be obtained from crude oil - Edexcel - GCSE Chemistry - Question 3 - 2021 - Paper 1
Step 1
State the name of the process used to separate diesel oil from crude oil.
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Answer
The process used to separate diesel oil from crude oil is called fractional distillation.
Step 2
Which statement about compounds in this homologous series is true?
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Answer
C they have the same general formula.
Step 3
Complete the balanced equation for the reaction.
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Answer
N₂ + O₂ → 2NO₂.
Step 4
Explain how the greenhouse effect is caused by the gases produced by the complete combustion of diesel oil.
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Answer
The complete combustion of diesel oil produces carbon dioxide and water vapor.
Carbon dioxide and water vapor trap heat radiated from the Earth, preventing it from escaping back into space.
This leads to an increase in the Earth's temperature, contributing to the greenhouse effect.
