
GCSE AQA AI C9.4 Cracking and Alkenes (Cognito)
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Easy
David Brooks
Used 2+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is crude oil primarily made up of?
Pure alkanes
Saturated alcohols
A mixture of hydrocarbons
Carbon dioxide and water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process is used to separate crude oil into its component hydrocarbons?
Cracking
Filtration
Electrolysis
Fractional distillation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of hydrocarbon makes the best fuels?
Long-chain hydrocarbons
Short-chain hydrocarbons
Alkenes only
Aromatic hydrocarbons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of cracking hydrocarbons?
To make crude oil more viscous
To remove impurities
To produce shorter, more useful hydrocarbons
To separate oil from water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is cracking?
Polymerization
Combustion
Neutralization
Thermal decomposition
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In catalytic cracking, what catalyst is commonly used?
Copper sulfate
Iron oxide
Aluminium oxide
Zinc carbonate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required for steam cracking?
Cold temperatures and high pressure
Water and low heat
Mixing hydrocarbon vapour with steam and heating to a high temperature
Adding a metal catalyst at room temperature
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