Question

A substance 'X', commonly used in baking products, reacts with dilute $HCl$ to produce a gas 'Y' which is used in one type of fire extinguisher. Name the substance 'X' and gas 'Y'. Write a balanced chemical equation for the reaction which takes place.

Accepted Answer

0. - **Substance 'X':** Sodium hydrogen carbonate / Baking soda ($NaHCO_3$). - **Gas 'Y':** Carbon dioxide ($CO_2$). - **Balanced Chemical Equation:** $$NaHCO_3(s) + HCl(aq) \rightarrow NaCl(aq) + H_2O(l) + CO_2(g)$$

Baking Soda and Fire Extinguisher Reaction

Explanation

Practise this under board exam conditions