Which of the following statements is incorrect about sodium carbonate?

Sodium bicarbonate is used to neutralize excess acid in the stomach. Sodium bicarbonate acts as an antacid, helping to relieve conditions like acid reflux, heartburn, and indigestion. Sodium carbonate is known as washing soda, while sodium bicarbonate is known as baking soda. Sodium carbonate is used as a cleaning agent and in glass, paper, and soap industries.