iron nail
iron nail
it is not a change at all but putting pizza in the oven is a chemical change
The actual acting of biting off a peace of food, including pizza is a physical change. It doesn't become a chemical change until the enzymes in the saliva and stomach begin the process of digestion.
chemical change
paperoni
ChemicalTo determine it, you must alter the identity of the substance. See the Related Questions link to the left of this answer: "What is the difference between a chemical and physical property?"PhysicalElements cannot be altered, without disrupting the physical structure of the atom, so the atomic structure between the protons, neutrons, and electrons are physical.Barney9So which one is it...? Chemical or physical?~Physical. Barney9's answer was a little confusing.. but overall, you can identify an element without disrupting the atomic structure of it's atoms.
Physical
it is not a change at all but putting pizza in the oven is a chemical change
The actual acting of biting off a peace of food, including pizza is a physical change. It doesn't become a chemical change until the enzymes in the saliva and stomach begin the process of digestion.
chemical change
Its physical because the chemical properities of it doesn't change.
There are some chemical aspects:base is made from flour and yeast,so the reaction between them is a chemical change.The cooking of the pizza is also a chemical reaction, because it cannot be undone.There are also some physical aspects, e.g.Making the doughgrating the cheesemelting the cheese
Chemical
A physical change that takes place when making pizza is when the cheese melts because a new substance is not created. Another physical change is the pizza increasing in size while it cooks.
paperoni
no !
pizza
The digestion of food through the alimentary canal involve a series of chemical and physical changes. In the example of pizza its bread component undergoes chemical changes as it is digested by amylase enzymes in saliva. Other chemical changes include hydrochloric acid of the stomach "attacking" and digesting proteins found in the pizza.