Baking soda is used ______._x005F_x000D_ Â _x005F_x000D_ I. for making baking powder_x005F_x000D_ II. in soda-acid fire extinguishers_x005F_x000D_ III. to neutralize excess acid in the stomach_x005F_x000D_

• A. Only I and II
• B. Only I and III
• C. Only II and III
• D. All I, II and III