Crude oil is a mixture of hydrocarbons - Edexcel - GCSE Chemistry - Question 5 - 2013 - Paper 1
Question 5
Crude oil is a mixture of hydrocarbons.
(a) The diagram shows a molecule of each of three substances, A, B and C.
Substance B is a hydrocarbon.
Substances A and C ... show full transcript
Worked Solution & Example Answer:Crude oil is a mixture of hydrocarbons - Edexcel - GCSE Chemistry - Question 5 - 2013 - Paper 1
Step 1
Explain why substance B is a hydrocarbon.
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Answer
Substance B is classified as a hydrocarbon because it consists entirely of carbon (C) and hydrogen (H) atoms. There are no other elements present in the molecular structure, which is a defining characteristic of hydrocarbons.
Step 2
Complete the sentence by putting a cross (✗) in the box next to your answer.
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Answer
D burns to produce heat energy.
Step 3
Write the word equation for this reaction.
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