What is the definition of chemical change and physical change?
Also, what does a chemical change mean?
A chemical change, also known as a chemical reaction, is a process in which one or more substances are altered into one or more new and different substances. In other words, a chemical change is a chemical reaction involving the rearrangement of atoms.
Subsequently, question is, what is a physical reaction simple definition? A physical reaction occurs when molecules undergo a molecular rearrangement to produce a physical change. The molecules are not chemically altered. As a reminder, molecules are two or more atoms linked by chemical bonds.
Subsequently, one may also ask, what is the 5 examples of physical change?
Examples of Physical Changes
- Crushing a can.
- Melting an ice cube.
- Boiling water.
- Mixing sand and water.
- Breaking a glass.
- Dissolving sugar and water.
- Shredding paper.
- Chopping wood.
What is an example of chemical change?
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.