【Daily Question】9.30 Reply +2； For +3~8

Thread Content

This post was last edited by zjp on 2015-10-1 at 11:42. To increase the popularity of the chemical analysis section, a \"Question of the Day\" activity has been introduced; this aims to foster active technical exchanges while also providing members with certain financial rewards. 【Daily Question】 (Single-choice question) An acid mixture formed by combining salt acid and *ao acid in a ( ) ratio is called \"aqua regia\". ( ) A、1:1 B、1:3 C、3:1 D、3:2 E、2: 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 thorough analyses and explanations for the questions or answers, including detailed calculation processes, will receive extra wealth rewards. 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.