A physical change is one where no new substance is produced. Melting is an example of a physical change. When you melt iron, you get liquid iron, it's still the same chemical substance. If you melt copper, you get liquid copper, not liquid iron.
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A physical change refers to a change in a substance's appearance, texture, or form without altering its chemical composition. Examples include melting, freezing, dissolving, or changing shape.
what does physical change mean
No. It is a physical change.
A physical change is a change in a material's appearance or form that does not alter its chemical composition. Examples include changes in size, shape, or state (solid, liquid, gas). These changes are usually reversible.
Changes of state are physical changes.
Yes, smoke is considered a physical change because it is a change in the physical state of matter without any change in the chemical makeup of the substance.