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    Question

    In British Drug House (BDH) method of pH testing, soil

    is mixed with distilled water, universal indictor solution and ______for a colour reaction.
    A Barium chloride Correct Answer Incorrect Answer
    B Barium sulphate Correct Answer Incorrect Answer
    C Potassium chloride Correct Answer Incorrect Answer
    D Sodium chloride Correct Answer Incorrect Answer

    Solution

    Barium sulphate - In the BDH method of pH testing, barium sulphate is used along with soil, distilled water, and universal indicator solution to observe a color change that indicates the pH level of the soil.

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