MetallurgyMedium

Question

Match the ores listed in column I with the type of ores listed in column II and select the correct. alternate.
    Column  I                    Column II
(a) Limonite.                (p) Carbonate ore.
(b) Argentite.               (q) Halide ore.
(c) Carnallite                (r) Sulphide ore.
(d) Calamine.               (s) Oxide ore.

Options

A.(a) → s
(b) → r
(c) → q
(d) → p
B.(a) → p
(b) → s
(c) → q
(d) → r
C.(a) → p
(b) → q
(c) → r
(d) → s
D.(a) → s
(b) → r
(c) → p
(d) → q

Solution

(a) Limonite is Fe2O3.3H2O
(b) Argentite is Ag2S.
(c) Carnallite is  KCl.MgCl2.6H2O
(d) Calamine is ZnCO3.

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