These persons consider for example liquid water and water vapors as different substances.
Boiling is a physical change because the substance is changing from a liquid to a gas without changing its chemical composition.
Boiling is a physical change.
No, hard-boiling an egg is a chemical change. By cooking the egg you change its chemical composition.
Boiling is a physical change, not chemical.
Boiling an egg is a physical change because it involves a change in the state of matter from liquid to solid without altering the chemical composition of the egg. The proteins in the egg white denature and become solid during the boiling process.
Boiling is a physical change, not a chemical change. It does not alter the chemical composition of the substance. It is simply a phase change from liquid to gas.
Chemical change.
Boiling is a physical change because the substance is changing from a liquid to a gas without changing its chemical composition.
Boiling is a physical change.
No, hard-boiling an egg is a chemical change. By cooking the egg you change its chemical composition.
no, boiling is a physical change
Cooking is a chemical process.
Boiling is a physical change, not chemical.
Boiling is a physical phenomenon.
Boiling potatoes is a physical change, not a chemical change. The heat causes the starch in the potatoes to gelatinize and the cells to rupture, but the chemical composition of the potatoes remains the same.
No.
No.