The preparation and properties of CO2 4.0 / 5 based on 1 rating ? ChemistryAnalysing substancesGCSEAQA Created by: HarryCreated on: 15-04-14 14:49 What is the equation for the preparation of CO2 CaCO3 + HCl --> CaCl2 + CO2 + H2O 1 of 8 Why do we not collect the first lot of gas given off from the reaction? It's just displaced air. 2 of 8 What is the chemical name for limewater? Calcium Hydroxide 3 of 8 What is the word equation for the reaction between CO2 and limewater? Calcium Hydroxide + Carbon Dioxide --> Calcium Carbonate + Water 4 of 8 When adding a burning splint to a test tube with CO2 in it, what do you observe? The flame goes out --> Suggests that CO2 doesn't support combustion. 5 of 8 What do you observe when UI is added to CO2? It goes red --> Suggests CO2 is acidic. 6 of 8 What is the name of the substance formed when CO2 dissolves in water? Carbonic Acid. 7 of 8 Write a chemical equation for the reaction between CO2 and H2O CO2 + H2O --> H2CO3 8 of 8
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