Lesson 4.7.2.3
4.7.2.3 Alcohols Quiz: AQA Chemistry, Unit 7
20 questions
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Lesson 4.7.2.3, Alcohols: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 7: Organic chemistry, written with Revision Ninja.
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The 20 questions
-
Which functional group defines an alcohol?
- -OH
- -COOH
- C=C
- -NH2
-
What is the functional group present in all alcohol molecules?
- -COOH
- -OH
- -CHO
- -C=C-
-
What gas is produced when an alcohol reacts with sodium?
- Chlorine
- Hydrogen
- Oxygen
- Carbon dioxide
-
What are the products of the complete combustion of an alcohol?
- Carbon and water vapour
- Carbon monoxide and water
- Carbon dioxide and hydrogen
- Carbon dioxide and water
-
Which of these is a primary industrial use of ethanol?
- Solvents
- Bleaching
- Lubricating
- Insulating
-
What process produces an aqueous solution of ethanol from sugar?
- Distillation
- Fermentation
- Neutralisation
- Cracking
-
Which formula represents ethanol?
- CH3COOH
- CH4
- CH2=CH2
- CH3CH2OH
-
Which of these is an alcohol?
- Propane
- Propene
- Propanoic acid
- Propanol
-
What happens when ethanol is mixed with pure water?
- Forms two layers
- Reacts explosively
- Sinks without mixing
- Dissolves completely
-
Which alcohol is found in drinks made by fermenting sugar with yeast?
- Butanol
- Ethanol
- Methanol
- Propanol
-
Which condition is required for the fermentation of sugar using yeast?
- Dry atmosphere
- Anaerobic conditions
- High pressure
- Strong sunlight
-
Which formula shows butanol?
- C4H10
- C3H7OH
- C4H9OH
- C4H8O
-
Which balanced equation shows complete combustion of ethanol, C2H5OH?
- C2H5OH + 3O2 -> 2CO2 + 2H2O
- C2H5OH + O2 -> 2CO2 + 3H2O
- C2H5OH + 3O2 -> 2CO2 + 3H2O
- C2H5OH + 3O2 -> CO2 + 3H2O
-
What gas is released when ethanol reacts with sodium metal?
- Hydrogen
- Chlorine
- Oxygen
- Carbon dioxide
-
What type of flame does ethanol produce during complete combustion?
- Smoky yellow flame
- Bright green flame
- Clean blue flame
- Bright red flame
-
Which feature of these alcohols makes them react with sodium?
- The -COOH group
- The C=C double bond
- The -OH group
- The -NH2 group
-
Between ethanol and propanol, which alcohol is more flammable?
- Propanol
- Equal flammability
- Ethanol
- Neither is flammable
-
Which reaction type do you need to balance for alcohols in the spec?
- Reaction with sodium
- Oxidation
- Combustion
- Reaction with water
-
Which substance is NOT an expected product of complete combustion of ethanol?
- Sodium chloride
- Energy
- Water
- Carbon dioxide
-
Which set of uses fits methanol, ethanol, propanol and butanol?
- Solvents and fuels
- Making proteins
- Making polymers only
- Making metal ores
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