Boiling water
physical change or chemical change
7 answers
Boiling water is a physical change.
frying eggs
physical change or chemical change
physical change or chemical change
Frying eggs is a combination of physical and chemical changes. The physical change occurs when the heat from the cooking process causes the eggs to coagulate and solidify. The chemical change occurs when the proteins in the eggs undergo denaturation, which results in a change in their structure and properties.
Dissolving dye
physical change or chemical change
physical change or chemical change
Dissolving dye is a physical change. When a dye is dissolved in a solvent such as water, it forms a homogeneous solution. The individual dye molecules do not chemically change their composition during the process of dissolution.
Melting wax
physical change or chemical change
physical change or chemical change
Melting wax is a physical change. When wax is heated and reaches its melting point, it transitions from a solid state to a liquid state. This change is purely physical, and no new substances are formed. The wax can be solidified again by cooling it down without any chemical reactions taking place.