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7.1 Carbon compounds as fuels and feedstock

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Question 8

A laboratory prepares a liquid containing three hydrocarbons, P, Q and R.

HydrocarbonBoiling point in °C
P69
Q98
R126

The liquid is heated to 110 °C.

Explain why the liquid is a mixture and which hydrocarbons will have boiled when the temperature reaches 110 °C.

[3]
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7.1 Carbon compounds as fuels and feedstock Questions

  1. GCSE
  2. /Chemistry
  3. /7.1 Carbon compounds as fuels and feedstock

91 exam-style questions on AQA GCSE Chemistry 7.1 Carbon compounds as fuels and feedstock, covering 7.1.1 Crude oil, hydrocarbons and alkanes, 7.1.2 Fractional distillation and petrochemicals, 7.1.3 Properties of hydrocarbons, and 7.1.4 Cracking and alkenes. Each one has a worked solution and a mark scheme showing where the marks go.

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