How many of the following are oxide ores
Calamine,cuprite,zinxite, chalcocite,haematite, bauxite,magnetite,cassiterite.

How many of the following are oxide ores. Calamine, Cuprite, Zincite, Chalcocite, Haematite, Bauxite, Magnetite, Caesiterite.

Among the calamine, cuprite,zincite, chalcocite, heamatite, bauite , magnatite, Cassiterite. The number of oxide ores?

How many of the following are the minerals of aluminimum? Magnesite, cryolite, kaolinite, malachite, epsum salt, bauxite, cuprite

How many of the following are the minerals of aluminimum? Magnesite, cryolite, kaolinite, malachite, epsum salt, bauxite, cuprite

Amongst the following the oxide ores are : pyrolusite , haematite, bauxite, zincite, cinnabar, magnesite, cuprite, azurite, siderite.