A substance X which is used as an antacid reacts with dilute hydrochloric acid to produce a gas Y which is used in one type of fire-extinguisher. Name the substance X and gas Y. Write a balanced equation for the chemical reaction which takes place.

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1 Answers

Substance X is sodium hydrogen carbonate; Gas Y is carbon dioxide.

NaHCO3(S) + HCl(aq) → CO2 (g) + NaCl (aq) + H2O (l)

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