Rust is an iron oxide.
A compound is a pure substance.
F2 (fluorine) is an element and thus a pure substance. However a compound is a pure substance as well.
If this compound is refined can be classified as a pure substance.
A pure substance is an element or a compound.
Toluene is a compound. not a mixture
Dextrose is a pure substance.
Carbon dioxide (CO2) is a compound and can be also a pure substance.
Pure substance.
It is a pure substance as well as a compound
Pure sugar is a substance (compound).
Yes,elements and compounds are pure substance.
pure substance...since it is NaCl...a compound..