Among the following reactions which does not show calcination of ore?

Question

Among the following reactions which does not show calcination of ore? (A) Fe2O3·xH2O arrow Fe2O3 + xH2O (B) ZnCO3 arrow ZnO(s) + CO2(g) (C) Cu2S +2Cu2O arrow 6Cu + SO2 (D) CaCO3 ⋅MgCO3(s) arrow CuO(s)+MgO(s)+2CO2(g)

Tardigrade Admin · Accepted Answer

During calcination, ore is converted into its oxide.

Q. Among the following reactions which does not show calcination of ore?

$F e_{2} O_{3} \cdot x H_{2} O \to F e_{2} O_{3} + x H_{2} O$

$Z n C O_{3} \to Z n O_{(} s) + C O_{2} (g)$

$C u_{2} S + 2 C u_{2} O \to 6 C u + S O_{2}$

$C a C O_{3} \cdot M g C O_{3} (s) \to C u O (s) + M g O (s) + 2 C O_{2} (g)$

During calcination, ore is converted into its oxide.

Q. Among the following reactions which does not show calcination of ore?

Fe2​O3​⋅xH2​O→Fe2​O3​+xH2​O

ZnCO3​→ZnO(​s)+CO2​(g)

Cu2​S+2Cu2​O→6Cu+SO2​

CaCO3​⋅MgCO3​(s)→CuO(s)+MgO(s)+2CO2​(g)

During calcination, ore is converted into its oxide.

$F e_{2} O_{3} \cdot x H_{2} O \to F e_{2} O_{3} + x H_{2} O$

$Z n C O_{3} \to Z n O_{(} s) + C O_{2} (g)$

$C u_{2} S + 2 C u_{2} O \to 6 C u + S O_{2}$

$C a C O_{3} \cdot M g C O_{3} (s) \to C u O (s) + M g O (s) + 2 C O_{2} (g)$