'All ores are minerals but all minerals are not ores'- explain.

All ores are minerals, but all minerals are not ores. Why?

Assertion (A): A mineral is called ore, when metal is extracted from it conveniently and economically. Reason (R): All ores are minerals but all minerals are not ores.

Statement-1: All ores are minaerals but all minerals are not ores. Statement-2: Minerals are obtained from mines.

All ores are minerals, but are all minerals ores?

Comment on the statement that all ores are minerals but all the minerals are not the ores.