Lesson 5.7.1.1
5.7.1.1 Crude oil, hydrocarbons and alkanes Quiz: AQA Combined Science, Unit 14
20 questions
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Lesson 5.7.1.1, Crude oil, hydrocarbons and alkanes: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 14: Organic chemistry, written with Revision Ninja.
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The 20 questions
-
What is the main biological source of crude oil?
- Forest trees
- Marine fish
- Land plants
- Ancient plankton
-
Most of the compounds in crude oil are:
- Metal salts
- Hydrocarbons
- Metal oxides
- Mineral acids
-
What types of atoms make up hydrocarbon molecules?
- Carbon and oxygen
- Carbon and nitrogen
- Hydrogen and carbon
- Hydrogen and oxygen
-
Most of the hydrocarbons in crude oil are called:
- Alkanes
- Alkenes
- Carboxylic acids
- Alcohols
-
The general formula for the homologous series of alkanes is:
- CnHn+2
- CnH2n+2
- CnH2n
- CnH2n-2
-
Which is NOT among the first four alkanes?
- Ethane
- Butane
- Methane
- Pentane
-
The alkane with two carbon atoms is:
- Butane
- Methane
- Propane
- Ethane
-
Which formula is an alkane with three carbon atoms?
- C3H10
- C3H7
- C3H6
- C3H8
-
Which formula is an alkane?
- C4H4
- C4H6
- C4H10
- C4H8
-
Which is the formula of an alkane with six carbon atoms?
- C6H14
- C6H13
- C6H12
- C6H16
-
In ethane (C2H6), using Ar C = 12 and H = 1, what percentage of the mass is hydrogen?
- 6.7%
- 10%
- 20%
- 80%
-
Why is crude oil classified as a finite resource?
- Replaced too slowly
- Never runs out
- Man-made only
- Easily synthesized
-
The formula of methane is:
- CH2
- CH6
- C4H
- CH4
-
Alkanes contain which type of bond between carbon atoms?
- Ionic bonds
- Single bonds
- Double bonds
- Triple bonds
-
Which alkane has 10 hydrogen atoms?
- C2H10
- C4H8
- C4H10
- C5H10
-
How many hydrogen atoms are in a pentane molecule (C5H12)?
- 10
- 5
- 14
- 12
-
Which molecule is a three-carbon alkane with single bonds only?
- Cyclopropene
- Propene
- Propyne
- Propane
-
Why is crude oil classified as a mixture?
- Contains many compounds
- Pure single element
- Only one compound
- Chemically bonded
-
The alkane C10H22 has n equal to:
- 11
- 22
- 20
- 10
-
Which is the simplest alkane?
- Ethene
- Butane
- Propane
- Methane
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