alleryCommon ore of zinc is
AHaematite, Fe2O3
BBauxite, Al2O3 . 2 H2O
CZinc blende, ZnS
DCinnabar, HgS only
Answer & Solution
Correct answer: C. Zinc blende, ZnS
1. The chapter lists ores of common metals.
2. Zinc occurs naturally as zinc sulphide (zinc blende).
3. Bauxite is the aluminium ore; haematite is iron.
4. So option A is correct.
_Source: Selina Concise Chemistry Class 10, Ch 7 Metallurgy (Mistral OCR'd PDF), section on ores of common metals_
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