Which metal occurs as:
(a) A sulphide, (b) a halide,
(c) a carbonate, (d) an oxide.
Also gives the names of their respective ores.
(a) A metal which occurs as sulphide is lead.
(b) A metal which occurs as halide is silver.
(c) A metal which occurs as carbonate is zinc.
(d) A metal which occurs as oxide is iron.