__________is a major component of many igneous minerals including mica and clays.
iron
copper
aluminium
magnesium
The entire scientific and technological process used for the isolation of the metal from its ore is known as _______________
Concentration
metallurgy
leaching
roasting
Ores are usually contaminated with earthly or undesired materials known as __________
flux
gangue
slag
minerals
Zincite is an important ore of __________
Zinc
Copper
Silicon
___________is the most abundant metal.
zinc
The molecular formula of copper pyrites is ___________
Cu2S
Cu2O
CuCO3. Cu(OH)2
CuFeS2
Sphalerite is an ore of ___________
Aluminium
Kaolinite is an important ore of __________
Iron
The molecular formula of iron pyrites is ___________
Fe2O3
Fe3O4
FeCo3
FeS2
Bauxite is an important ore of ___________
aluminum
