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    Question

    Which of the following mixture is burnt to produce very

    high temperatures and are used for cutting metals and for welding?
    A Oxygen and Ammonia Correct Answer Incorrect Answer
    B Oxygen and acetylene Correct Answer Incorrect Answer
    C Oxygen and Nitrous Acid Correct Answer Incorrect Answer
    D Oxygen and Sulphur Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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