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Match the items of Column I with items of Column II and assign the correct code :
Column I
Column II
(A) Blisterred \( \mathrm{Cu} \)
(1) Aluminium
(B) Blast furnace
(2) \( 2 \mathrm{Cu}_{2} \mathrm{O}+\mathrm{Cu}_{2} \mathrm{~S} \longrightarrow 6 \mathrm{Cu}+\mathrm{SO}_{2} \)
(C) Reverberatory furnace
(3) Iron
(D) Hall-Heroult process
(4) \( \mathrm{FeO}+\mathrm{SiO}_{2} \longrightarrow \mathrm{FeSiO}_{3} \)
(5) \( 2 \mathrm{Cu}_{2} \mathrm{~S}+3 \mathrm{O}_{2} \longrightarrow 2 \mathrm{Cu}_{2} \mathrm{O}+2 \mathrm{SO}_{2} \)
Code :
(i) \( \mathrm{A}(2) \quad \mathrm{B}(3) \quad \mathrm{C}(4) \quad \mathrm{D}(1) \)
(ii) \( \quad \mathrm{A}(1) \quad \mathrm{B}(2) \quad \mathrm{C}(3) \quad \mathrm{D}(5) \)
(iii) \( \mathrm{A}(5) \quad \mathrm{B}(4) \quad \mathrm{C}(3) \quad \mathrm{D}(2) \)
(iv) \( \mathrm{A}(4) \quad \mathrm{B}(5) \quad \mathrm{C}(3) \quad \mathrm{D}(2) \)
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