Multiple choice

The colour of the red soil is red because it contains

  1. ascorbic acid

  2. iron

  3. ferrite

  4. potash

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Red soil gets its characteristic color from iron oxide (Fe2O3) content, which forms through extensive leaching in tropical and subtropical regions. The iron accumulates in the soil profile, creating the reddish hue. Ascorbic acid is vitamin C, not a soil component. Ferrite is a magnetic iron compound but not the coloring agent. Potash is potassium, unrelated to soil color.

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