Question

A compound X of sodium form a white powder. It is a constituent of baking powder and is used in some antacid prescriptions. When heated, X gives out of a gas and steam. The gas forms a white precipitate with lime water. Write the chemical formula and name of X and the chemical equation for its decomposition on heating. What is its role in baking powder and in antacids?​

Answer 1

Answer:

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Explanation:

(i) Compound X is baking soda (NaHCO3)

(ii) When heated, it gives sodium carbonate CO2 and water.

2NaHCO3 → Na2C03 + CO2 + H2O.

(iii) When used in baking powder and the salt is used a source of CO2. When added to the stomach this reaction occurs to neutralized axise.

Answer 2

Answer:

(i) Compound X is baking soda (NaHCO3)

(ii) When heated, it gives sodium carbonate CO2 and water.

2NaHCO3 → Na2C03 + CO2 + H2O.

(iii) When used in baking powder and the salt is used a source of CO2. When added to the stomach this reaction occurs to neutralized oxide.