Melting of gold for jewellery making is a physical change as no new substance is formed after melting. Changes in state or phase are physical changes.
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.
This involves a change of state of the water. Before, during, and after the boiling, it remains water. So, since the substance doesn't change its character, the boiling of water is a physical change.
Boiling and evaporation are physical changes.
Boiling is a physical change, not chemical.
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.
Boiling is a physical change.
When water boils, it is a physical change.
Physical ... it's only a state change. Cool it and it reverts to its old condition.
Boiling is a physical change.
This involves a change of state of the water. Before, during, and after the boiling, it remains water. So, since the substance doesn't change its character, the boiling of water is a physical change.
no, boiling is a physical change
the opposite of boiling is freezing
Freezing or boiling are physical changes.
Boiling and evaporation are physical changes.
Boiling is a physical change, not chemical.