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    5. During the process of photosynthesis, O2 is evolved from H2O. This fact was experimentally proved

    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

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