JEE Mains 25-July-2022 Shift 1 Solved Paper

Section: Chemistry

Question : 67 of 90

Marks: +1, -0

The compound(s) that is (are) removed as slag during the extraction of copper is:
(A) CaO
(B) FeO
(C) Al2O3
(D) ZnO
(E) NiO
Choose the correct answer from the options given below:

[25-Jul-2022-Shift-1]

(C), (D) only
(A),(B),(E) only
(A), (B) only
(B) only

Validate

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