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【Daily Question】December 17, 2016: +2 wealth for participation; +3 to +10 wealth for correct answers

2016-12-17View Original

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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 offering rewards in the form of financial benefits to users. 【Daily Question】 When preparing aqua regia, ( ) should be slowly poured into ( ), in a ratio of ( ). A glass rod should be used to stir continuously. Standard answer: nitric acid, hydrochloric acid, 1:3. Reply with your answer to earn +2 wealth points; those who get all answers correct will receive an additional +3 to +8 wealth points. Those who provide thorough analysis and explanations for the question or their answer 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.
Reply #22016-12-17
When preparing aqua regia, (nitric acid) should be slowly poured into (hydrochloric acid) in a ratio of (3:1), while stirring continuously with a glass rod
Reply #32016-12-17
Concentrated nitric acid is poured into concentrated hydrochloric acid – 1 volume of concentrated nitric acid to 3 volumes of concentrated hydrochloric acid
Reply #42016-12-17
Concentrated nitric acid, concentrated hydrochloric acid, 1:3
Reply #52016-12-17
This post was last edited by Lantian on 2016-12-17 at 16:16: in nitric acid and hydrochloric acid, 1:3

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