Raw flour is different from corn starch. Although raw flour and starch have a lot of **** in common, and their main use is mainly for thickening and desizing water starch, they are actually very different.
While wheat, corn, sweet potato, kudzu and other plants can be made into starch, including corn starch, but starch can not replace corn starch because they are not the same use.
As in starch, tapioca starch is often used to make taro and other ingredients, while corn starch is white with yellow powder. It is often used to make fried foods with a crispy texture. If you buy starch with the word corn starch on the surface, you can replace it.