The important step in the extraction of metal from carbonate ore is

  • A
    Calcination
  • B
    Roasting
  • C
    Electro-reduction
  • D
    Cupellation

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Similar Questions

Why are sulphide ores converted to oxide before reduction?

Roasting is generally done in case of the following:

Which process is used to convert hydrated alumina into anhydrous alumina?

Calcination is the process in which

Match the following:
List-$I$ List-$II$
$(I)$ Calcination $a. Fe_2O_3 \cdot nH_2O \rightarrow Fe_2O_3 + nH_2O$
$(II)$ Roasting $b. 2Cu_2S + 3O_2 \rightarrow 2Cu_2O + 2SO_2$
$(III)$ Flux $c. SiO_2 + FeO \rightarrow FeSiO_3$
$(IV)$ Thermite $d. Cr_2O_3 + 2Al \rightarrow Al_2O_3 + 2Cr$

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