Which of the following metal is sometimes found native in nature?
Copper is found in native as well as in combined state.
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 one of the following is correct?
Which of the following is a carbonate ore?