New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    With the presence of organic matter and iron oxides in

    the soil, the colour of soil appears like_?
    A Red colour Correct Answer Incorrect Answer
    B Brown colour Correct Answer Incorrect Answer
    C Dark colour Correct Answer Incorrect Answer
    D Yellow, red colour Correct Answer Incorrect Answer

    Solution

    Iron found within the soil is oxidised more readily due to the higher oxygen content. This causes the soil to develop a 'rusty' colour. The colour can be darker due to organic matter.

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