Definition, Meaning & Synonyms

chemical-change

noun

/ˈkɛmɪkəl ʧeɪndʒ/

Definition

A process where substances combine or break apart to form new substances with different properties.

Examples

Rust forming on iron is an example of a chemical change.
When vinegar mixes with baking soda, a chemical change occurs.
Burning wood in a fire is a chemical change since it produces ash, smoke, and gases.

Meaning

Chemical change refers to a transformation that alters the chemical composition of a substance. This often involves a reaction where new chemicals are created and the original substances can no longer be recovered by simple physical means.