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    Question

    During the process of photosynthesis, O2 is evolved

    from H2O. This fact was experimentally proved by-
    A Ruben and Kamen Correct Answer Incorrect Answer
    B Melvin Calvin Correct Answer Incorrect Answer
    C Jan Baptist van Helmont Correct Answer Incorrect Answer
    D Joseph Priestley Correct Answer Incorrect Answer

    Solution

    The correct answer is A

    Practice Next
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