【Weekly Question】Participate from 8/14/2017 to 8/20/2017 for +2 wealth； +3 to +10 wealth for correct answers

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To increase the popularity of the chemical analysis section, a \"Question of the Week\" campaign has been launched to foster an active atmosphere for technical exchanges while providing rewards in the form of financial benefits to users. 【Weekly Question】Multiple-choice question: When using the Karl Fischer method to determine moisture content, it is based on the need for a quantified amount of water to be involved in the process in order to measure the moisture present in the sample. A. SO2 oxidizes I2 B. I2 oxidizes SO2 C. I2 oxidizes methanol D. SO2 oxidizes methanol Answer: B. Post your answer in the reply section; answering correctly earns you +2 wealth points, while getting all answers right grants an additional +3 to +8 wealth points. Those who provide thorough analyses and explanations for the questions or answers (or include detailed calculation processes) will receive extra wealth points as a reward. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions.