alleryRed soil is reddish because it contains:
AAluminium oxide
BSodium chloride
CCalcium carbonate
DIron oxide (ferric)
Answer & Solution
Correct answer: D. Iron oxide (ferric)
1. Red soil contains IRON OXIDE (Fe₂O₃) which gives it the red colour.
2. Found mainly in the eastern and southern Deccan, parts of Odisha, Chhattisgarh.
3. Less fertile; needs irrigation and fertilizers for good yields.
_Source: syllabus SST Geography Ch 1 §1.4 Red Soil_
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