【Daily Question】9.17 Reply +2； To +3

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This post was last edited by zjp on 2015-9-18 at 11:23. In order to increase the popularity of the chemical analysis section, the previous 【Weekly Topic】 activity has been replaced with a 【Daily Question】 activity; this aims to foster an active atmosphere for technical exchanges while also providing members with financial rewards. 【Daily Question】 (Single-choice question) Beakers are mainly used for ( ). A. Prepare the solution B. Dissolve the sample C. Prepare the solution and dissolve the sample D. Heat the sample. Reply with your answer; participating in the quiz earns +2 wealth points. Those who get all answers correct will receive an additional +3 to +8 wealth points. Extra rewards will be given for thorough analyses and explanations of the questions or answers, or for detailed calculation processes. 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. Note: We will close this post after 24 hours, and at that time we will announce the best reply (the best assistance), as well as the answer and explanation.