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 soda is a base and and reacts with vinegar, the acid. Combining the two ingredients creates an immediate reaction of carbon dioxide bubbles. Baking powder contains baking soda that is already combined with an acid. To activate the chemical reaction with baking powder, all that is needed is moisture.