Question

State four different properties of a compound and a mixture.

Answer 1

Property	Compound	Mixture
Composition	Fixed proportion of elements combined chemically.	Variable proportion of substances physically combined.
Properties	Properties are different from the constituent elements.	Properties are a combination of those of the components.
Separation	Cannot be separated by physical methods, only by chemical methods.	Can be separated by physical methods.
Energy Change	Formation involves a chemical reaction with energy changes.	Formation does not involve a chemical reaction or energy change.