1. Soda powder: also known as baking soda and sodium bicarbonate, it is a white crystalline solid. It is often used as a filler in baking. Adding baking soda to dough or cake will produce carbon dioxide bubbles, which will make it swell and soften.

2, raw flour: also known as corn starch or white powder, made of corn. Raw flour is widely used as thickener, thickener and food sizing in cooking.