Soda is seldom used as the main foaming agent in life, often used to neutralize acidic flavors, and soda does not decompose to produce gas when heated. So when making noodles, soda is usually put in so as not to reduce its gluten. Soda can also be used to promote softening of meat, but it can have an unpleasant alkaline taste in the meat flavor.
In addition to this, soda is not only edible, but also removes grease. Soda ingredient is sodium bicarbonate, an alkaline substance, if you add soda when making pasta, it can have a puffing effect, it will make the pasta eat more strong and chewy. Normally when cooking or making soup, adding some soda can have a viscous effect, which can make the soup taste more delicious. If the kitchen utensils are particularly greasy, you can use hot water to melt the soda, and use it to wipe the items with oil, can easily remove the oil.