During smelting an additional substance is added which combines with impurities to foem a fusible product. It is known as

During smelting an additional substance is added which combines with i

1.	During smelting an additional substance is added which combines with impurities to foem a fusible product. It is known as
Answer» Slag Mud Gangue FLUX Solution :During SMELTING flux COMBINES with the gangue (IMPURITY ) to form slag (fusible product. )