Alkanes (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of compounds mainly make up crude oil?
What type of compounds mainly make up crude oil?
Alkane hydrocarbons
To what temperature is crude oil heated in fractional distillation?
To what temperature is crude oil heated in fractional distillation?
Approximately 350°C
How does temperature vary in a fractionating column?
How does temperature vary in a fractionating column?
Hottest at bottom, cooler at top
Where do larger hydrocarbons condense in the fractionating column?
Where do larger hydrocarbons condense in the fractionating column?
Near the bottom
Where do smaller hydrocarbons condense in the column?
Where do smaller hydrocarbons condense in the column?
Near the top
What do hydrocarbons in each fraction have in common?
What do hydrocarbons in each fraction have in common?
Similar boiling points
Which hydrocarbons exit the top of the column as gases?
Which hydrocarbons exit the top of the column as gases?
Methane and ethane
What is bitumen used for?
What is bitumen used for?
Road surfacing
What property allows hydrocarbons to be separated by fractional distillation?
What property allows hydrocarbons to be separated by fractional distillation?
Different boiling points
Why is fractional distillation crucial for crude oil?
Why is fractional distillation crucial for crude oil?
Isolates specific hydrocarbons