Daily Question 8.24
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1. Please hide your replies; editing after posting is ineffective! Delete directly without hiding! 2. Hiding method: http://bbs.hcbbs.com/thread-492556-1-1.html 3. 5 points for correct answers; there is a reward for everyone who participates. Multiple-choice question: The factors that affect the concentration of 98.5% sulfuric acid are ( ). A. Flow rate of the dilution water. B. Amount of sulfur trioxide absorbed. C. Atmospheric humidity. D. Instrument failure. ABCD
This post was last edited by Chi Shui Qing Liang on 2011-8-23 22:30, with ABCD added. I came to the Chemical Engineering Forum to learn*
Reply to 1# A Shi: A, B, and D. Answers: A and B have a direct impact; C has a direct impact on the concentration of drying acid, while it has an indirect impact on the concentration of absorbing acid； D only affects the display effect; it doesn’t have any impact in essence ；
Reply 1# A Shie ABC
Reply 1# A Shan BC
I’m sad. Why isn’t it the sofa? Why, moderator, did you go to my place to do the questions and still hadn’t finished even one question! ! ! The answer is (ABCD)
Reply 1# A Shi ABCD
Reply 1# A Shie ABC
ABCD replies 1# A Sha