Question

The common impurity present in most of the ores is ____________.

विकल्प

• PbS

• ZnS

• SiO₂

• SnO₂

Answer 1

The common impurity present in most of the ores is SiO₂.

Explanation:

It is most abundantly present in the earth's crust and can be found as an impurity in the ores.