Match list I with list II
| List I | List II |
| A. Siderite | I. Aluminium |
| B. Malachite | II. Iron |
| C. Calamine | III. Copper |
| D. Bauxite | IV. Zinc |
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → A-II, B-III, C-IV, D-I
A. Siderite — This matches II. Iron. Siderite is \( \ce{FeCO3} \).
B. Malachite — This matches III. Copper. Malachite is \( \ce{CuCO3} \).\( \ce{Cu(OH)2} \).
C. Calamine — This matches IV. Zinc. Calamine is \( \ce{ZnCO3} \).
D. Bauxite — This matches I. Aluminium. Bauxite is AlOx(OH)3−2x.
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 – …
