Multiple choice

Which of the following metal is present more in red soil?

  1. Calcium

  2. Magnesium

  3. Iron oxide

  4. Copper
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Red soil derives its characteristic color from iron oxide compounds, particularly hematite and goethite, which form through weathering in warm, temperate climates. While calcium (A), magnesium (B), and copper (D) may be present in various soils, they don't produce the distinctive red coloring that iron oxides do.

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