Sulphide ores are generally concentrated by
Froth floatation process
Froth floatation method is based on the fact that the surface of sulphide ores is preferentially wetted by oil while that of gangue is wetted by water.
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 metal is sometimes found native in nature?
Which of the following is a carbonate ore?
Which of the following ores does not represent the ores of iron?
Thomas slag is
Metal occur in the native from because of their
The substance added in water in the froth floatation process is