Question

5 properties of pure substance

Answer 1

*A pure substance is a material with homogeneous and invariable composition.

*Pure substances can have multiple phases, an ice water mixture is still a pure substance but an air-steam is not a pure substance.

Pure Substance:

*A substance that has a fixed chemical composition throughout is called a pure substance i.e., water, nitrogen, helium, and CO2.

*Substances which are mixture of various elements or compounds also qualifies as pure substances as long as mixture is homogeneous.