General Knowledge - General Science - Discussion

34. 

The most important ore of aluminium is

[A]. galena
[B]. calamine
[C]. calcite
[D]. bauxite

Answer: Option D

Explanation:

Bauxite is an aluminium ore and is the main source of aluminium.

Sriram said: (Nov 1, 2011)  
Abundantly available in India, mainly at orissa region.

Ram said: (Jan 4, 2012)  
Al2O3 is formulae

Tiana said: (Apr 26, 2014)  
What is ore?

Shristi said: (Apr 7, 2015)  
The chemical formula of Galena is PbS (plumbous sulphide), calamine is ZnCo3, calcite is CaCO3 and that of bauxite is Al2O3.2H2O.

Nitin said: (Jan 15, 2016)  
Ore: A naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.

Rethabile said: (Mar 14, 2017)  
Why is it important?

Explain it clearly.

Lakshanya said: (Jun 16, 2017)  
Thank you @Shristi.

S.Vasanthi said: (Jul 24, 2017)  
It is the main source of aluminum.

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