General Principles and processes of Isolation of Elements
medium

પ્રદ્રાવણ દ્વારા કોપરનુ નિષ્કર્ષણ સિલિકાનો યોગશીલ પદાર્થ તરીકે ........ ને દૂર કરવા કરે છે.

A

$Cu_2O$

B

$FeS$

C

$FeO$

D

$Cu_2S$

(JEE MAIN-2016)

Solution

$FeO$ is gangue and $SiO_2$ is flux to form slag $FeSiO_3$ $\mathop {FeO}\limits_{{\text{Basic impurity}}}  + \mathop {Si{O_2}}\limits_{{\text{acidic flux}}}  \longrightarrow \mathop {FeSi{O_3}}\limits_{{\text{slag}}} $

Standard 12
Chemistry

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