Lesson 4.8.3.3
4.8.3.3 Carbonates Quiz: AQA Chemistry, Unit 8
20 questions
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Lesson 4.8.3.3, Carbonates: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 8: Chemical analysis, written with Revision Ninja.
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The 20 questions
-
What gas is produced when a carbonate reacts with dilute acid?
- Carbon dioxide
- Chlorine
- Hydrogen
- Oxygen
-
What is used to identify carbon dioxide gas produced by carbonates?
- Glowing splint
- Litmus paper
- Damp starch paper
- Limewater
-
What do carbonates react with to form carbon dioxide?
- Dilute alkalis only
- Dilute acids
- Pure oxygen
- Water only
-
Which reagent is added to a solid to test for carbonate ions?
- Silver nitrate
- Barium chloride
- Sodium hydroxide
- Dilute acid
-
Which compound is a carbonate?
- Calcium nitrate
- Calcium hydroxide
- Calcium chloride
- Calcium carbonate
-
What gas is produced when a carbonate reacts with a dilute acid?
- Carbon dioxide
- Hydrogen
- Chlorine
- Oxygen
-
What is produced along with carbon dioxide when a carbonate reacts with dilute acid?
- A salt and water
- A precipitate only
- A metal and oxygen
- Hydrogen and chlorine
-
Which ions are present in copper carbonate?
- Copper and chloride
- Copper and sulfate
- Copper and carbonate
- Calcium and carbonate
-
A solid fizzes with dilute acid and the gas turns limewater milky. What is the solid most likely?
- A carbonate
- A nitrate
- A sulfate
- A halide
-
Dilute hydrochloric acid is added to sodium carbonate. Which gas forms?
- Carbon dioxide
- Oxygen
- Chlorine
- Hydrogen
-
What gas is produced when calcium carbonate reacts with dilute hydrochloric acid?
- Oxygen
- Hydrogen
- Chlorine
- Carbon dioxide
-
Which gas turns limewater milky?
- Carbon dioxide
- Ammonia
- Oxygen
- Hydrogen
-
What indicates the absence of a carbonate when adding acid to a solid?
- Solid dissolves
- Gas produced
- Colour change
- No fizzing
-
What is the correct first step in testing an unknown solid for carbonate ions?
- Add dilute acid
- Add water
- Heat strongly
- Add limewater
-
What type of chemical reaction occurs when solid metal carbonates are strongly heated?
- Precipitation
- Neutralisation
- Thermal decomposition
- Combustion
-
What physical observation shows that a carbonate is reacting with acid?
- Colour change
- Temperature drop
- Fizzing
- Melting
-
What reagent is used to identify carbon dioxide gas in the carbonate test?
- Barium chloride
- Silver nitrate
- Litmus paper
- Limewater
-
Which ionic equation describes a carbonate fizzing with dilute acid?
- CO3^2- + 2H+ -> CO2 + H2O
- CO3^2- + 2H+ -> H2 + CO2
- CO3^2- + H+ -> CO2
- CO3^2- + 2OH- -> CO2 + H2O
-
Which safety hazard is associated with adding dilute acid to a carbonate?
- Frostbite
- Radioactivity
- Acid burns
- Flammability
-
Which ion is shared by calcium carbonate and sodium carbonate?
- Carbonate ions
- Sodium ions
- Chloride ions
- Calcium ions
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