Chemistry

Problem

Correct match is :


(a) Bayer's method	— $\text{Na}_2\text{CO}_3$
(b) Matte	— $98\% \text{Cu}_2\text{S} + 2\% \text{FeS}$
(c) van Arkel method	— $\text{AgI}$
(d) Thomas slag	— Raw material for cement industry