Chemistry · 2022
JEE Main · 25 July 2022, Shift 1 · Q67
The compound(s) that is(are) removed as slag during the extraction of copper is: (A) CaO (B) FeO (C) Al_2 O_3 (D) ZnO (E) NiO Choose the correct…
The compound(s) that is(are) removed as slag during the extraction of copper is :
(A)
CaO
(B)
FeO
(C)
$\displaystyle \mathrm{Al}_2 \mathrm{O}_3$
(D)
ZnO
(E)
NiO
Choose the correct answer from the options given below :
Official answer
(4)
(B) only
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.