Medium
In the commercial electrochemical process for aluminium extraction,the electrolyte used is
- A$Al(OH)_3$ in $NaOH$ solution
- BAn aqueous solution of $Al_2(SO_4)_3$
- C$A$ molten mixture of $Al_2O_3$ and $Na_3AlF_6$
- D$A$ molten mixture of $AlO(OH)$ and $Al(OH)_3$
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In which furnace is pig iron produced? State its impurities.
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Reason : The reaction,
$Fe_2O_{3(s)} \to Fe_{(s)} + 3/2 O_{2(g)}$ is a spontaneous process.
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