Cyanide process is used in the extraction of
Au and Ag
Cyanide process is used in the extraction of both silver and gold because these form complex salts with CN– ion due to presence of lone pair of electron on nitrogen atom.
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
Sulphide ores are generally concentrated by
The substance added in water in the froth floatation process is
Froth floatation process for the concentration of the ores is an illustration of the practical application of