A) \[A{{l}_{2}}{{O}_{3}}.2{{H}_{2}}O\]
B) \[A{{l}_{2}}{{O}_{3}}.{{H}_{2}}O\]
C) \[A{{l}_{2}}{{O}_{3}}\]
D) \[A{{l}_{2}}{{O}_{3}}.3{{H}_{2}}O\]
Correct Answer: A
Solution :
Bauxite\[(A{{l}_{2}}{{O}_{3}}.2{{H}_{2}}O)\]is an ore of aluminium.
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