【Daily Question】December 7, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers

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This post was last edited by zjp on 2015-12-10 08:00. To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched; this aims to foster active technical exchanges while also providing financial rewards to users. 【Daily Question】 (Single-choice question) When determining the contents of carbon and hydrogen using the combustion decomposition method, if the sample contains a small amount of nitrogen, the order in which the absorption tubes for absorbing water, carbon dioxide, and nitrogen oxides from the combustion products should be installed is ( ). AH2O absorption tube, CO2 absorption tube, NOx absorption tube; B: H2O absorption tube, NOx absorption tube, CO2 absorption tube; C: NOx absorption tube, H2O absorption tube, CO2 absorption tube; D: H2O absorption tube, CO2 absorption tube, NOx absorption tube. Correct answer: B. Post your answer in the replies to participate; you will receive +2 wealth points for that. If you answer all questions correctly, you’ll get an additional +3 to +8 wealth points. Those who provide thorough analyses and explanations for the questions (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. Note: We will close this post after 24 hours, and at that time we will announce the best reply (the best assistance), as well as the answer and explanation.