【Daily Question】October 22, 2016 – Participate to earn +2 wealth； +3 to +10 wealth for correct answers
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To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched to foster an active atmosphere for technical exchanges while also providing rewards in the form of financial benefits to users. 【Daily Question】 (Single-choice question) To ensure accurate readings on a burette, it is necessary to wait ( ) seconds after pouring in or removing the solution before taking a reading. A. 2 B. 10 C. 15 D. 5 Standard answer: C. 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 answers, or who include detailed calculation processes, will receive extra wealth points as a reward. If your answer is correct and your analysis/explanation is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions.
To ensure accurate readings on the buret, it is necessary to wait (C. 15) seconds after pouring in or removing the solution before taking a reading.