Because baking soda is NaHCO3 and starch is (C6H10O5).
Getting starch in packs of baking soda would be like getting mincemeat in your Orange Juice. It's not what you're buying.
No, baking soda is not a starch and mor does it contain starch.
No. Corn starch is usually used as a thickener (for gravies, soups, puddings, etc)., whereas baking soda is used as a puffer-upper for biscuits, cookies and unleavened breads and so on. Use flour as a substitute for corn starch, and baking powder as a substitute for baking soda.
baking soda
Baking soda is not at all similar to tapioca starch, so you would get a very different result if you replaced one with the other. A more logical substitution for tapioca starch would be corn starch.
Baking powder is a "leavening agent" that makes cakes rise. Baking soda and cream of tartar together do the same job -- they react to make carbon dioxide gas. If you try to make cupcakes without either baking soda, or the combination of baking soda and cream of tartar, your cupcakes will not rise and you will get something close to cookies. Corn starch is a thickener and acts similarly to flour. If you have flour, corn starch may not be necessary.
Baking soda is an alkaline compound that can only be separated chemically.Baking powder however is a mixture of baking soda and an inert starch, usually cornstarch. Cornstarch absorbs moisture in the baking powder, prolonging shelf life and preventing premature reactions in the baking soda. Baking soda and cornstarch can be separated using conventional means, as it is not a compound.
"Baking powder" is a leavening agent and is a mixture of baking soda (sodium bicarbonate), one or more acid salts, and a starch (usually cornstarch).
baking soda has a crystalline appearance because it is a form of salt. [edit]Duude you're doing the Mystery Powder Analysis Gizmo lol. Now I have the answer ITS B.salt you are soo right i am doing the Gizmo its annoying!
Baking soda is required to leaven the baked product. Either baking soda or baking powder would need to be included in the batter regardless of the use of cocoa powder.
Both baking powder and baking soda are "leavening" which means that they produce gas that causes batter or dough to rise. Baking soda is just that, bicarbonate of soda, while baking powder is a mixture of baking soda, an acid, (usually cream of tartar) and a moisture absorber (cornstarch.)
NO, totally different things. Starch has no leavening properties, it will not cause something to rise and the reverse is true.
Not all powders. Baby powder is talcum powder or corn starch, and baking powder is baking soda,salt,and starch. But, sulfur sand is usually in powder form.