Calamine is the ore of zinc.
An important ore of zinc metal is : (a) calamine (b) cuprite (c) pyrolusite (d) haematite
Calamine ore can be converted into zince oxide by the process of: (a) roasting (b) hydrogenation (c) chlorination (d) calcination
Calamine ore can be used to extract one of the following metals. This metal is: (a) copper (b) mercury (c) aluminium (d) zinc
(a) Name the method by which aluminium metal is extracted. (b) Give the name and chemical formula of one ore of copper. (c) How is zinc extracted from its carbonate ore (calamine) ? Explain with equations.
For how many of the following ores calcinations is done during extraction of metals?___ (a) Haematite (b) Calamine (c) dolomite (d) bauxite (e) zinc blende