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.
ChemistryClass 10ICSEAnswered 27 Mar 2026
Answer
Here substance X is Sodium hydrogen carbonate and Y is carbon dioxide gas NaHCO3(s) + HCl → NaCl(aq) + CO2(g) + H2O(l)