is cooking egg physical or chemical reaction

Cooking an egg involves both physical and chemical reactions.

Initially, when heat is applied to the egg, it undergoes a physical change as the proteins begin to denature. This means that the heat causes the protein molecules in the egg to unfold and lose their original shape. As a result, the liquid egg white transforms into a solid and the yolk becomes firmer.

At the same time, a chemical reaction known as the Maillard reaction takes place. This is a complex series of reactions between amino acids (proteins) and reducing sugars present in the egg. The Maillard reaction causes browning and the development of new flavors in the cooked egg. This chemical reaction occurs when heat activates the sugars and amino acids, resulting in a series of reactions that produce new compounds and flavors.

Therefore, cooking an egg involves a combination of physical changes (protein denaturation) and chemical reactions (Maillard reaction) to transform the raw egg into a cooked form.

Cooking an egg involves both physical and chemical reactions. When you heat up an egg, there are several physical changes that occur. The heat causes the proteins in the egg to denature, which means that they unfold and change in texture. The egg also undergoes a phase change from a liquid to a solid as it becomes cooked.

However, there are also chemical reactions that take place during cooking. One significant chemical reaction is the Maillard reaction, which occurs when proteins and sugars react at high temperatures, resulting in the browning and flavorful changes that happen during cooking. The Maillard reaction contributes to the delicious aroma and taste of cooked eggs.

In summary, cooking an egg involves a combination of physical changes, such as protein denaturation and phase change, as well as chemical reactions, like the Maillard reaction.