Easy
Suggest a list of metals that are extracted electrolytically.
(N/A) Metals that are at the top of the reactivity series,such as $Na$,$K$,$Ca$,$Li$,$Mg$,and $Al$,are extracted electrolytically because they are highly reactive and cannot be reduced by common reducing agents like carbon.
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Flux is used to remove $........$.
Easy
View SolutionTo prevent magnesium from oxidation in the electrolytic extraction process,which of the following is done?
Medium
View SolutionIn the extraction of iron,the reaction which occurs at $900-1500 \ K$ in the blast furnace is:
The reactions which occur in a blast furnace at $500-800 \ K$ during the extraction of iron from haematite are:
$(i)$ $3 Fe_2O_3 + CO \rightarrow 2 Fe_3O_4 + CO_2$
$(ii)$ $Fe_2O_3 + 3 C \rightarrow 2 Fe + 3 CO$
$(iii)$ $Fe_3O_4 + 4 CO \rightarrow 3 Fe + 4 CO_2$
$(iv)$ $Fe_2O_3 + CO \rightarrow 2 FeO + CO_2$
$(i)$ $3 Fe_2O_3 + CO \rightarrow 2 Fe_3O_4 + CO_2$
$(ii)$ $Fe_2O_3 + 3 C \rightarrow 2 Fe + 3 CO$
$(iii)$ $Fe_3O_4 + 4 CO \rightarrow 3 Fe + 4 CO_2$
$(iv)$ $Fe_2O_3 + CO \rightarrow 2 FeO + CO_2$
Blister $Cu$ contains approximately ....... $\%$ $Cu$.
Easy
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