Question

Baking soda or baking powder is

• A. washing soda
• B. caustic soda
• C. soda ash
• D. sodium bicarbonate

Answer 1

Answer: (D)

sodium bicarbonate

Answer 2

Baking soda is sodium bicarbonate (NaHCO ). It is obtained as the intermediate product in the Solvay ammonia soda process. Normal carbonate can be changed to bicarbonate by passing CO through its saturated solution. NaCO + HO + CO $\rightarrow$ 2NaHCO