【Daily Question】2016.2.26 Participation +2 Wealth； +3 to 8 wealth for correct answers
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This post was last edited by zjp on 2016-2-27 09:36. 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) When determining the sulfur content in organic compounds, after sample preparation and using tholin as an indicator, what is the color of the solution at the endpoint of titration with a perchlorate-barium standard solution? A Blue B Red C Chlorine color D Yellow. Correct answer: B. Reply with your answer in the comments; participating in the quiz earns you +2 wealth points. If you get all answers correct, you’ll receive 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.
D yellow~~~~~~~~~~~~~~
When determining the sulfur content in organic compounds, after sample treatment, tholin is used as an indicator, and the color of the solution at the endpoint of titration with a perchlorate-barium standard solution is (B). A Blue B Red C Chlorine Color D Yellow
The correct answer to this question should be B.
When determining the sulfur content in organic compounds, after sample treatment, tholin is used as an indicator, and the color of the solution at the endpoint of titration with a perchlorate-barium standard solution is (B). A Blue B Red C Chlorine Color D Yellow
When determining the sulfur content in organic compounds, after sample treatment, tholin is used as an indicator, and the color of the solution at the endpoint of titration with a perchlorate-barium standard solution is (B). A Blue B Red C Chlorine Color D Yellow