AQA · Chemistry · 8462
GCSE Chemistry: Carbonates
Chemical analysis · AQA GCSE Chemistry (8462), specification point 4.8.3.3. Cards are generated from the exam board's own specification for "Carbonates", and every card links back to the page it came from. Separate science only. Specification © AQA — used with attribution.
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What gas is produced when a carbonate reacts with a dilute acid?
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Carbon dioxide.
Carbonates react with dilute acids to form ? gas.
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carbon dioxide
Which reagent is used to identify carbon dioxide gas?
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Limewater.
Carbon dioxide gas can be identified using ?.
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limewater
What happens to limewater when carbon dioxide is bubbled through it?
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It turns milky (cloudy) — a positive test for carbon dioxide.
What is the general word equation for a metal carbonate reacting with a dilute acid?
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metal carbonate + acid → salt + water + carbon dioxide.
Limewater
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The reagent used to identify carbon dioxide gas.
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