Some reactions are given below, I. ...A...→ Fe2O3(s)+xH2O(g) II. ZnCO3(s)⟶ZnO(s)+…B… III. CaCO3⋅MgCO3(s)⟶…C…+…D…+2CO2(g)In these reactions, A, B, C and.D corresponding to

A→Fe2O3⋅xH2O(s);B→CO2(g);C→CaO(s)D→MgO(s)

Some reactions are given below, I. ...A...→ Fe2O3(s)+xH2O(g) II. ZnCO3(s)⟶ZnO(s)+…B… III. CaCO3⋅MgCO3(s)⟶…C…+…D…+2CO2(g)In these reactions, A, B, C and.D corresponding to

A→Fe2O3⋅xH2O(s);B→CO2(g);C→CaO(s)D→MgO(s)

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Some reactions are given below,
$I. ...A...→ {Fe}_{2} O_{3} (s) + {xH}_{2} O (g)$
$II. {ZnCO}_{3} (s) ⟶ ZnO (s) + \dots B \dots$
$III. {CaCO}_{3} \cdot {MgCO}_{3} (s) ⟶ \dots C \dots + \dots D \dots + 2 {CO}_{2} (g)$
In these reactions, A, B, C and.D corresponding to

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$A \to {Fe}_{2} O_{3} (s); B \to {CO}_{2} (g); C \to ZnO (s); D \to MgO (s)$

$\begin{aligned} A \to {Fe}_{2} O_{3} \cdot {xH}_{2} O (s); B \to ZnO (s); C \to {CO}_{2} (g) \\ D \to MgO (g) \end{aligned}$

$\begin{aligned} A \to {Fe}_{2} O_{3} \cdot {xH}_{2} O (s); B \to {CO}_{2} (s); C \to CaO (g) \\ D \to MgO (g) \end{aligned}$

$\begin{aligned} A \to {Fe}_{2} O_{3} \cdot {xH}_{2} O (s); B \to {CO}_{2} (g); C \to CaO (s) \\ D \to MgO (s) \end{aligned}$

answer is D.

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$\begin{aligned} A \to {Fe}_{2} O_{3} \cdot {xH}_{2} O (s); B \to {CO}_{2} (g); C \to CaO (s) \\ D \to MgO (s) \end{aligned}$

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Some reactions are given below, I. ...A...→ Fe2O3(s)+xH2O(g) II. ZnCO3(s)⟶ZnO(s)+…B… III. CaCO3⋅MgCO3(s)⟶…C…+…D…+2CO2(g)In these reactions, A, B, C and.D corresponding to

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Some reactions are given below,
$I. ...A...→ {Fe}_{2} O_{3} (s) + {xH}_{2} O (g)$
$II. {ZnCO}_{3} (s) ⟶ ZnO (s) + \dots B \dots$
$III. {CaCO}_{3} \cdot {MgCO}_{3} (s) ⟶ \dots C \dots + \dots D \dots + 2 {CO}_{2} (g)$
In these reactions, A, B, C and.D corresponding to