【Daily Question】January 5, 2016: Participation = +2 Wealth； +3 to 8 wealth for correct answers
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This post was last edited by zjp on 2016-1-7 at 08:12. To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched; this aims to foster active technical exchanges while also providing financial rewards to users. 【Daily Question】 (Single-choice question) When washing the glassware used for measuring sulfur dioxide in exhaust gases, which detergent should not be used? A Chromium pickling solution B Sodium hydroxide solution C Alcohol D Salt. Standard answer: A. Reply with your answer in the comments; participating in the quiz earns you +2 wealth points. Getting all answers correct adds another +3 to +8 wealth points. Those who provide thorough analyses and explanations for the questions or answers (or include detailed calculation processes) will receive additional 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. 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.
The detergent that cannot be used for washing the glassware used in measuring sulfur dioxide in exhaust gases is (A). A Chromium pickling solution B Sodium hydroxide solution C Alcohol D Salt pickling solution
I really don’t know; let’s check the answer. . .
A Chromium pickling solution~~~~~~~~~~~~~~~~~~~~~~~~~
The detergent that cannot be used for washing the glassware used in measuring sulfur dioxide in exhaust gases is (B). A Chromium pickling solution B Sodium hydroxide solution C Alcohol D Salt pickling solution
The detergent that cannot be used for washing the glassware used in measuring sulfur dioxide in exhaust gases is (A) chromic acid solution.
The detergent that cannot be used for washing the glassware used in measuring sulfur dioxide in exhaust gases is (A) chromic acid solution.
A Chromium acid cleaning solution: When using glassware for measuring sulfur dioxide in exhaust gases, the detergent that cannot be used for cleaning is (A Chromium acid cleaning solution)