Easy
The 'matte' is a mixture of ...... .
- A$Cu_2S + Fe_2S$
- B$CuS + FeS$
- C$Cu_2S + FeS$
- D$CuS + Fe_2S$
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Describe the process of obtaining blister copper.
Difficult
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In the blast furnace,the reduction of iron oxide is carried out by which of the following?
Medium
View Solution$FeCr_2O_4$ (chromite) is converted to $Cr$ by following steps:
Chromite $\xrightarrow{I} Na_2CrO_4$ $\xrightarrow{II} Cr_2O_3$ $\xrightarrow{III} Cr$
Reagents in $I, II$ and $III$ steps might be:
$I$ Step $-$ $II$ Step $-$ $III$ Step
Chromite $\xrightarrow{I} Na_2CrO_4$ $\xrightarrow{II} Cr_2O_3$ $\xrightarrow{III} Cr$
Reagents in $I, II$ and $III$ steps might be:
$I$ Step $-$ $II$ Step $-$ $III$ Step
Which one of the following is used to produce $Al$ by electrolysis?
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