Question

write chemical formula for washing soda and baking soda which one of the two is a ingredient of antacids how does it provide relief in stomach

Answer 1

NaHCO3(Sodium bicarbonate)

it provides releif from stomach pain during acidity as it is a base and it neutralises the excess acis produced in our stomach. it acts as an antacid. thus giving us releif,

Answer 2

"The chemical formula for washing soda and baking soda is given below.

  The chemical formula of washing soda is $Na_2CO_3. 10 H_2O$. It is named as sodium carbonate decahydrate.    

  Baking soda is the mixture of sodium hydrogen carbonate with acid. Here the chemical formula of "sodium hydrogen carbonate" is $NaHCO_3.$

  Out of these two; baking soda is a main ingredient of antacid as sodium hydrogen carbonate quickly neutralizes acid of stomach and "temporarily relieves symptoms" of acid reflux."