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    Question

    Which clay mineral group is known for its ability to

    swell and expand when wetted?
    A Kaolinite Correct Answer Incorrect Answer
    B Vermiculite Correct Answer Incorrect Answer
    C Illite Correct Answer Incorrect Answer
    D Chlorites Correct Answer Incorrect Answer
    E Montmorillonite Correct Answer Incorrect Answer

    Solution

    Montmorillonite, a member of the smectite group, is noted for its swelling and expansion properties upon wetting.

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