Question

The common impurity present in bauxite is

• A. $CuO$
• B. $ZnO$
• C. $Fe_2O_3$
• D. $Cr_2O_3$

Answer 1

Answer: (C)

$Fe_2O_3$

Answer 2

$Fe _{2} O _{3}$ is a common impurity in bauxite, especially red bauxite. The red colour of this kind of bauxite ore is also due to this impurity which itself is reddish brown in colour.