【Daily Question】August 13, 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) Identify the standard procedure among the following titration analysis steps: ( ) A. Before titration, rinse the burette three times with the standard solution to be used. B. During titration, shake the Erlenmeyer flask causing a small amount of solution to spill out. C. Before titration, rinse the Erlenmeyer flask three times with the solution to be analyzed. D. If the solution in the burette is not at 1 cm below the zero mark, use a dropper to add solution until the lowest point of the meniscus touches the “0” mark. Correct answer: A. Reply with your answer; you will receive +2 points for participating in the quiz. An additional +3 to +8 points will be given if all answers are correct. Extra points will also be awarded for thorough analyses and explanations of the questions or answers, including detailed calculation processes. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or best assistance). Feel free to answer the questions.