JEE Main 2022 · 25 Jul · Shift 1 · Chemistry Q67 · Dronacharya Exams

My attemptsTake a paper

← JEE Main 2022 · 25 Jul · Shift 1

ChemistrySingle correct+4 / -1Question 67 of 90

The compound(s) that is(are) removed as slag during the extraction of copper is :

(A) CaO

(B) FeO

(C) $\mathrm{Al_2O_3}$

(D) ZnO

(E) NiO

Choose the correct answer from the options given below :

A

(C), (D) only

B

(A), (B), (E) only

C

(A), (B) only

D

(B) only

Answer and worked solution

Official answer: D

Copper extraction. Iron oxide is removed as $\mathrm{FeSiO_3}$ slag.

(D)

Topics:Extraction of specific metals

← Previous question Next question →