Question

what do you mean by chemical properties?

Answer 1

A chemical property is any of a material's properties that becomes evident during, or after, a chemicalreaction; that is, any quality that can be established only by changing a substance's chemical identity. ... They can also be useful to identify an unknown substance or to separate or purify it from other substances.

Answer 2

A chemical property is any of a material'sproperties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity.They can also be useful to identify an unknown substance or to separate or purify it from other substances.

Examples
toxicity.
oxidation
.flammability.
heat of combustion
.enthalpy of formation.