alleryMagnetite is considered the finest iron ore variety because it has:
AThe lowest sulphur content
BThe highest iron content (up to 70%)
CThe best magnetic permeability for radio receivers
DThe widest geographic distribution
Answer & Solution
Correct answer: B. The highest iron content (up to 70%)
1. syllabus compares iron ore varieties by their iron content.
2. Magnetite has up to 70% iron — the highest grade among common iron ores.
3. Haematite is the most important industrial ore due to abundance, while magnetite leads in purity.
_Source: syllabus Geography Contemporary India - II, Ch 5 "Minerals and Energy Resources", §Iron Ore ¶2_
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