No, physical changes normally refer to changes other than chemical reactions. If you have a loaf of bread and cut it in half, that is a physical change but not a chemical change. If you eat the bread and digest it, that is a chemical change.
Physical reactions involve having something to do with the ingredients insides or outsides
Chemical reactions involve having to do with changing the ingredients form or what it is made of.
A physical change occur when the molecular structure of chemicals are not changed.
A chemical change occur when the molecular structure of chemicals is changed.
Grinding is physical, neutralization of an acid is chemical.
melting point
In nuclear reactions the atom itself changes while molecules and/or structural organisation of atoms do in chemical and physical changes.
All physical and chemical reactions , see text book from A to z .
This is a chemical change. Chemical reactions are chemical changes.
Sunburns are chemical changes because DNA is damaged by the ultraviolet light.
This process involve chemical reactions but also physical changes.
yes it can be called physical and chemical reaction
Chemical reactions are of course chemical changes.
In nuclear reactions the atom itself changes while molecules and/or structural organisation of atoms do in chemical and physical changes.
All physical changes are reversible.
All physical and chemical reactions , see text book from A to z .
These are chemical reactions (changes).
chemical reactions are irreversible but physical changes are reversible
Reactions that are not chemical reactions are physical reactions. These reactions involve a change in only the physical state of an element, not its chemical properties. Thus, physical changes include freezing, condensation, sublimation, hammering a metal into a sheet, cutting sodium metal, etc.
A lot of chemical reactions are initiated by physical changes - specifically, heating something.
All chemical reactions are chemical changes.
The chemical reactions of sulfuric acid are chemical changes.
This is a chemical change. Chemical reactions are chemical changes.