Question

Write the names of any two impurities present in bauxite ore.

Answer 1

Bauxite is aluminium oxide $A{l}_2{O}_3\cdot 2H_{2}O$. It contains impurities such as iron oxide and silica as impurities. When iron oxide is the chief impurity, the ore is red bauxite. When silica is the chief impurity, the ore is white bauxite.