For baking soda, which is a common ingredient of baking powder, see Sodium bicarbonate.Alternately, a commercial baking powder might use sodium acid pyrophosphate as one of the two acidic components instead of sodium aluminium sulfate.
Using baking powder instead of baking soda is not recommended. Baking soda is much stronger than baking powder and, by trying to provide enough leavening with baking powder, you may wind up with an unpleasant metallic, salty taste in the final baked product.
Can I use soda instead of baking powder in baked goods? Using soda instead of baking powder in baked goods is possible, but it requires a deep understanding of the chemical reactions involved in the baking process.

Using baking soda instead of baking powder will affect the final texture and taste of your baked goods. Baking soda is a strong base and needs an acidic ingredient like buttermilk or vinegar to react and create carbon dioxide for leavening.
If you use baking soda instead of baking powder in a recipe, your baked goods may not rise as expected, and they may have a dense or flat texture. This is because baking soda needs an acid to activate it, and if the recipe does not contain enough acid, the baking soda will not react properly.

Moving forward, it's essential to keep these visual contexts in mind when discussing Can I Use Baking Soda Instead Of Baking Powder In Baked Goods.
While these fine white powders are similar, lending baked goods a light structure with optimal results, baking soda and baking powder are not the same thingeach has its own reaction in the baking process.
Whenever you need to replace baking soda for baking powder, or the other way around, be sure to make a proper mix, check your measurements and then keep baking!
Baking soda and baking powder lose their effectiveness over time, so its a good idea to make sure they arent expired before baking. Check the date on the packaging to see if theyre still usable.