Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumIdentify the reaction,which is not related to the extraction of copper.
- A$2 Cu_2S + 3 O_2 \rightarrow 2 Cu_2O + 2 SO_2$
- B$2 FeS + 3 O_2 \rightarrow 2 FeO + 2 SO_2$
- C$FeO + SiO_2 \rightarrow FeSiO_3$
- D$SiO_2 + CaO \rightarrow CaSiO_3$
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What is the appropriate process for the extraction of lead from low-grade ore (impurity level is high)?
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View SolutionAmong the following compounds,the number of those present in copper matte is $......$
$A.$ $CuCO_3$
$B.$ $Cu_2S$
$C.$ $Cu_2O$
$D.$ $FeO$
$A.$ $CuCO_3$
$B.$ $Cu_2S$
$C.$ $Cu_2O$
$D.$ $FeO$
Bell metal is an alloy of which of the following?
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View SolutionGiven below are two statements related to Ellingham diagram:
Statement-$I$ : Ellingham diagrams can be constructed for formation of oxides,sulfides and halides of metals.
Statement-$II$ : It consists of plots of $\Delta_f H^0$ vs $T$ for formation of oxides of elements.
In the light of the above statements,choose the most appropriate answer from the options given below:
Statement-$I$ : Ellingham diagrams can be constructed for formation of oxides,sulfides and halides of metals.
Statement-$II$ : It consists of plots of $\Delta_f H^0$ vs $T$ for formation of oxides of elements.
In the light of the above statements,choose the most appropriate answer from the options given below:
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