【Daily Question】May 27, 2016 – Participation +2 Wealth； +3 to 8 wealth for correct answers

Thread Content

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 financial rewards to users. 【Daily Question】 (Single-choice question) If a burette is contaminated with oil, it can be cleaned using ( ), and then rinsed three times with tap water and three times with distilled water before use. A. Detergent powder B. Chromic acid cleaning solution C. Strong alkaline solution D. None of the above. Correct answer: B. Reply with your answer in the comments; answering correctly earns you +2 wealth points, while getting all answers right grants an additional +3 to +8 wealth points. Those who provide a thorough analysis and explanation of the questions or answers (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.