Copper can be extracted from :
(A) Cryolite
(B) Malachite
(C) Calamine
(D) Copper glance
(E) Cuprite
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → (B), (D), (E) only
An ore of copper is a copper mineral from which the metal can be extracted profitably; the other minerals in the list are ores of other metals.
(A) Cryolite — Incorrect. \( \ce{Na3AlF6} \) is a mineral of aluminium, used as a flux in the electrolysis of alumina.
(B) Malachite — Correct. \( \ce{CuCO3} \)·\( \ce{Cu(OH)2} \), a basic copper carbonate.
(C) Calamine — Incorrect. \( \ce{ZnCO3} \) is an ore of zinc.
(D) Copper glance — Correct. \( \ce{Cu2S} \), copper(I) sulphide.
(E) Cuprite — Correct. \( \ce{Cu2O} \), copper(I) oxide.
Note: This question is from the pre-rationalised NCERT book (2022-23). The topic is not there in the latest NCERT book (2026-27), and it is also out of the CUET 2026 syllabus.
NCERT (Pre-rationalised edition, 2022-23):
Occurrence of Metals – …
