Lesson 5.8.2.3
5.8.2.3 Test for carbon dioxide Quiz: AQA Combined Science, Unit 15
20 questions
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Lesson 5.8.2.3, Test for carbon dioxide: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 15: Chemical analysis, written with Revision Ninja.
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The 20 questions
-
What chemical solution is used to test for carbon dioxide?
- Bromine water
- Limewater
- Litmus solution
- Copper sulfate
-
What observation shows a positive test for carbon dioxide?
- Turns blue
- Relights splint
- Turns milky
- Bleaches paper
-
Carbon dioxide is shaken with or bubbled through:
- Limewater
- Oxygen
- Water with salt
- Damp litmus
-
Which gas makes limewater milky?
- Carbon dioxide
- Hydrogen gas
- Oxygen gas
- Nitrogen gas
-
What is the chemical name for limewater?
- Calcium hydroxide
- Calcium oxide
- Calcium chloride
- Calcium carbonate
-
What substance causes limewater to turn milky during the test?
- Calcium sulfate
- Calcium oxide
- Calcium carbonate
- Calcium hydroxide
-
A gas gives milky limewater. The gas is:
- Chlorine gas
- Oxygen gas
- Carbon dioxide
- Hydrogen gas
-
Which test identifies carbon dioxide?
- Pop test
- Limewater test
- Litmus test
- Glowing splint test
-
Limewater stays clear when added to which gas?
- Hydrogen chloride
- Oxygen
- Carbon dioxide
- Sulfur dioxide
-
Calcium hydroxide in limewater is:
- A metal oxide
- Dissolved in water
- Pure oxygen gas
- A gas, not a solid
-
Milky limewater shows:
- A positive oxygen test
- A positive hydrogen test
- A positive chlorine test
- A positive CO2 test
-
Bubbling CO2 through limewater produces:
- A cloudy white mixture
- A bright flame
- A pink solution
- A clear blue solution
-
The correct reagent for testing carbon dioxide is:
- A splint
- Limewater
- Bleach
- Litmus
-
Which result would confirm CO2 rather than oxygen?
- Litmus paper bleaches
- Splint pops loudly
- Splint relights brightly
- Limewater turns milky
-
A gas turns limewater cloudy. Name the gas.
- Carbon dioxide
- Chlorine
- Hydrogen
- Oxygen
-
Which gas is produced during complete combustion of carbon fuels?
- Carbon monoxide
- Carbon dioxide
- Methane
- Hydrogen
-
What type of chemical test is the limewater test?
- Qualitative
- Quantitative
- Titration
- Gravimetric
-
A gas passed through limewater stays clear. This indicates:
- Oxygen is present
- Hydrogen is present
- CO2 is absent
- CO2 is present
-
Why does limewater turn cloudy when reacting with carbon dioxide?
- Gas dissolves fully
- Precipitate is insoluble
- Liquid turns acidic
- Solution boils
-
Which type of reaction occurs when limewater tests for carbon dioxide?
- Precipitation
- Neutralisation
- Combustion
- Thermal decomposition
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