Question

The impurities removed in smelting process are called ----- [ ]

A) flux

B) mineral

C) slag

D) hearth


please answer

Answer 1

$\huge{\orange{\underline{\pink{\mathscr{answer}}}}}$

Fire refining

• Iron, copper, and lead are fire-refined by selective oxidation. In this process, oxygen or air is added to the impure liquid metal; the impurities oxidize before the metal and are removed as an oxide slag or a volatile oxide gas.

@MissTranquillity