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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Similar Questions
The Gibbs energy vs $T$ plot for the formation of oxides is given below:
For the given diagram,the correct statement is-
For the given diagram,the correct statement is-
In the extraction of metals from sulphide ores,the ore is first converted into an oxide before reduction,rather than reducing the sulphide ore directly,because .....
Medium
View SolutionWhich statement is incorrect regarding the Hall-Heroult process for the metallurgy of aluminium?
$1$. Use of $Na_3AlF_6$ lowers the melting point of $Al_2O_3$.
$2$. Steel vessel with a lining of carbon acts as the cathode.
$3$. Graphite is used as the anode.
$4$. Carbon dioxide gas is generated at the cathode.
$1$. Use of $Na_3AlF_6$ lowers the melting point of $Al_2O_3$.
$2$. Steel vessel with a lining of carbon acts as the cathode.
$3$. Graphite is used as the anode.
$4$. Carbon dioxide gas is generated at the cathode.
The $MacArthur-Forrest$ process is used for the extraction of which of the following metals?
Easy
View SolutionAccording to the Ellingham diagram,at lower temperatures,the oxidation of $C$ to $CO$ is useful for the reduction of which of the following?
Medium
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