【Daily Question】February 27, 2016: +2 wealth for participation； +3 to 8 wealth for correct answers

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This post was last edited by zjp on 2016-2-28 08:44. To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched; it aims to foster active technical exchanges while also providing financial rewards to users. 【Daily Question】 (Single-choice question) In the determination of trace carbonyl compounds in organic chemical products, carbonyl compounds are expressed as ( ). A Acetaldehyde B Phenylethyl C Propanone D Ethanol. Correct answer: A. Reply with your answer in the comments; you will receive +2 wealth points for participating in the quiz. An additional +3 to +8 wealth points will be given if all answers are correct. Extra wealth points will also be awarded if a thorough analysis and explanation of the questions or answers is provided, including detailed calculation processes. 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.