The baked product will not rise properly. It will be flat and dense.
Inasmuch as they are exactly the same thing, absolutely.
Your question cannot be answered because you didn't say what you want to use baking soda in or for.
You can substitute baking soda for baking ammonia in recipes. Use 1/4 teaspoon of baking soda for every 1 teaspoon of baking ammonia called for in the recipe.
You can add some baking powder, but it's not an ideal substitute; baking powder is a mixture of bicarbonate of soda (baking soda) and cream of tartar. This means you need to add slightly more than is baking powder than the quantity suggested for baking soda; usually around 1/4 teaspoon on top of the quantity suggested for bicarb.
If the recipe calls for 4 teaspoons of baking soda and you are making it 12 times, you will need 1/4 cup of baking soda in total. This is because 1 tablespoon is equivalent to 3 teaspoons, so 4 teaspoons is equal to 1 and 1/3 tablespoons, which is 1/4 cup when multiplied by 12.
You can substitute baking powder for baking soda in a recipe, but the amount needed may vary.
You can use whipped egg whites as a substitute for both baking powder and baking soda in a recipe.
If you do not have cream of tartar, baking powder will work just as well, or better. If the recipe calls for both cream of tartar and baking soda, leave out the soda if you use baking powder - it already has soda in it.
To substitute baking soda for baking powder in a recipe, use 1/4 teaspoon of baking soda for every 1 teaspoon of baking powder called for in the recipe. Additionally, you may need to add an acidic ingredient like lemon juice or vinegar to help activate the baking soda.
The original Nestlés Toll House cookies (chocolate chip cookies) recipe calls for baking soda, not baking powder. There is no substitute for baking soda or baking powder in a recipe. You have to have it.
The recipe that I use calls for baking soda.
Yes, you can substitute baking soda for baking powder in a recipe, but you will need to adjust the amount used. Baking soda is about four times stronger than baking powder, so you will need to use less of it.
To replace for example 3 teaspoons of baking powder with baking soda, mix 1 teaspoon of baking soda with 2 teaspoons of cream of tartar.
If there is no other leavening then it will not rise. If it doesn't rise then it will be hard and crusty.
You can use baking powder as a substitute for bicarbonate of soda in the recipe.
To test the effectiveness of baking soda in a recipe, you can conduct a simple experiment by preparing two batches of the same recipe - one with the recommended amount of baking soda and one without. Compare the texture, rise, and taste of the two batches to see if the baking soda made a difference in the final outcome.
Inasmuch as they are exactly the same thing, absolutely.