Easy
Parke's process is used to extract
- ASilver using $NaCN$
- BCopper using $CuFeS_2$
- CSilver from argentiferous lead
- DSilver by forming amalgam
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Similar Questions
Copper matte contains
Which process is used for the purification of aluminum?
Easy
View SolutionThe reactions which occur in a blast furnace at $500-800 \ K$ during the extraction of iron from haematite are:
$(i)$ $3 Fe_2O_3 + CO \rightarrow 2 Fe_3O_4 + CO_2$
$(ii)$ $Fe_2O_3 + 3 C \rightarrow 2 Fe + 3 CO$
$(iii)$ $Fe_3O_4 + 4 CO \rightarrow 3 Fe + 4 CO_2$
$(iv)$ $Fe_2O_3 + CO \rightarrow 2 FeO + CO_2$
$(i)$ $3 Fe_2O_3 + CO \rightarrow 2 Fe_3O_4 + CO_2$
$(ii)$ $Fe_2O_3 + 3 C \rightarrow 2 Fe + 3 CO$
$(iii)$ $Fe_3O_4 + 4 CO \rightarrow 3 Fe + 4 CO_2$
$(iv)$ $Fe_2O_3 + CO \rightarrow 2 FeO + CO_2$
State the role of silica in the metallurgy of copper.
Medium
View SolutionWhich of the following elements is present as the impurity to the maximum extent in the pig iron?
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