Now, fold your bias tape over to the back side, encasing the raw edge. Pin as you go. Bias tape folded over to the back side: This is what my pinning looks like. I slip the pins under the bias tape on the top side and make sure it catches the bias on the back.
Baking soda is pure sodium bicarbonate. When baking soda is combined with moisture and an acidic ingredient (e.g., yogurt, chocolate, buttermilk, honey), the resulting chemical reaction produces bubbles of carbon dioxide that expand under oven temperatures, causing baked goods to expand or rise.
Baking Powder is Baking Soda to which an acid and a filler are added. Once you add a liquid, it springs into action and causes chemical leavening of your baked good. Chemically, Baking Soda is the base (or alkaline) and another dry substance such as Cream of Tartar is the acid..