(iv) Metallurgy is the process of :

Which of the following statements is/are incorrect? (a) Cassiterite is not the ore of tin (b) Metallurgy is a process of mixing of ore (c) concentration of chromite ( FeO.Cr_2O_3 ) is done by magnetic separation (d) ZnS with depressant NaCN forms Na_2[Zn(CN)_4]

Metallurgy is a process of extracting

Introduction to Metallurgy | Ores | Process of Extraction