Distinguish between :
(a) a mineral and an ore,
(b) an ore and a metallic compound.
a). The minerals are naturally occurring inorganic solids with a crystalline structure and a definite range of chemical formula. ores are concentrations of minerals in rock that are high cnough to be economically extracted for use.
b). Ores are those minerals from which the metals are extracted commercially at low cost and with minimum effort. A metallic compound is a compound that contains one or more metal elements. Examples: AgNO3 - Silver nitrate is a metallic compound