During extraction of `Fe`, slag obtained is

During extraction of copper, it is obtained in the form of molten matte. Which of the following is not ture?

During the extraction of iron, slag produced is

During the extraction of iron, slag produced is

The slag formed during extraction of Iron blast furnace is

In the extraction of iron, the slag produced is :

(ix) Slag coming out at the bottom of a blast furance during extraction of iron form its ore is used in making.

(ix) Slag coming out at the bottom of a blast furance during extraction of iron form its ore is used in making.