A compound X of sodium is used as an antacid

Acids, Bases & Salts (C10)

A compound ‘X’ of sodium is used as an antacid and it decomposes on strong heating.

  1. Name the compound ‘X’ and give its chemical formula.
  2. Write a balanced chemical equation to represent the decomposition of ‘X’.
  3. Give one use of compound ‘X’ besides an antacid.


(i) Sodium bicarbonate / Sodium hydrogencarbonate / baking soda and its formula is NaHCO3

(ii) 2NaHCO3 → Na2CO3 + CO2 + H2O

(iii) It is used in fire extinguisher and for baking.