Metallurgy

Section: Chemistry

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Question : 3 of 7

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Among the following, the calcination process is

[TG EAPCET 10 May 2024 Shift 2]

2Cu2S+3O2
∆
──▶
2Cu2O+2SO2↑
Al2O3(s)+2‌NaOH(aq)+3H2O(l)⟶2‌Na[Al(OH)4](aq)
2CuFeS2+O2⟶Cu2S+2‌FeS+SO2↑
Fe2O3⋅xH2O( s)
∆
───▶
Fe2O3(s)+xH2O(g)

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