【Weekly Question】Participate from 1/16/2017 to 1/22/2017 for +2 wealth； +3 to 10 wealth for correct answers

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This post was last edited by chqd812 on 2017-1-17 at 13:13. To increase the popularity of the chemical analysis section, the \"One Question per Week\" campaign has been launched; it aims to foster active technical exchanges while also providing financial rewards to users. 【Daily Question】Multiple-choice question: The instrument that cannot be used to analyze gases is (　　 ). A. Refractometer B. Austenite meter C. Conductivity meter D. Chromatography standard Answer: A. Post your answer in the reply section; participating in the quiz earns you +2 wealth points. Getting all answers correct adds another +3 to +8 wealth points. Those who provide thorough analyses and explanations for the questions or answers (or include detailed calculation processes) will receive additional wealth points as a reward. If your answer is correct and your analysis and explanation are accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions.