Question

    What is the primary source of silicon in soil minerals?

    A Feldspar Correct Answer Incorrect Answer
    B Quartz Correct Answer Incorrect Answer
    C Mica Correct Answer Incorrect Answer
    D Amphibole Correct Answer Incorrect Answer
    E Olivine Correct Answer Incorrect Answer

    Solution

    Quartz (SiO ₂ ) is a primary mineral and major source of silicon. Feldspar and mica also contain silicon but in compounds.

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