Which one of the following is correct?
All ores are minerals
All minerals are not suitable for the extraction of metals commercially. Thus, all ores are minerals, but all minerals are not ores.
Metal which can be extracted from all the three dolomite, magnesite and carnallite is
Chile salt petre is an ore of
Which of the following ore is used for industrial extraction of aluminium in India?
Which is not a mineral of aluminium?
Which one is an ore of sodium?
An example of an oxide ore is
Cassiterite is an ore of
All ores are minerals, while all minerals are not ores because
Which of the following metal is sometimes found native in nature?