【Daily Question】September 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 financial rewards to users. 【Daily Question】(Single-choice question) When using a pH meter to determine the pH value of a solution, what temperature should be set for temperature compensation? A. 25°C B. 30°C C. Any temperature D. The temperature of the solution being measured. Correct answer: D. Reply with your answer; participating in the quiz earns you +2 points. Those who get all answers correct will receive an additional +3 to +8 points. Those who provide a thorough analysis or explanation of the question and answers, or include detailed calculation processes, will receive extra points as a bonus. 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.