“\"Chlor-alkali exam questions\" [018] event post – please hide your replies

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This post was last edited by sunjl1981 on 2013-1-6 at 22:31. To encourage active participation from members, 3 wealth points are given for each correct answer; if a calculation process is provided, or if a proper explanation is given, an additional reward of 3 to 6 wealth points is awarded. I believe it’s not about the quantity, but having a reward is enough. The key is everyone’s active participation (participation brings talent) and progressing together. (Note: This post can only have scores from moderators; other scores are invalid.) Question: 1. (Fill-in-the-blank) The main purpose of adding sugar solution in caustic soda production is _______. . 2. (Single-choice question) The common types of gas masks include ( ). ① Isolated type ② Filtering type ③ Long-tube type ④ Compressed air breathing type. A. ①④ B. ①②③ C. ②③④ D. ①②③④ 3. (Single-choice question) In a foam tower, when the gas velocity in the empty tower is greater than 3 m/s, the gas and liquid phases will form ( ). A. Bubble layer B. Foam layer C. Mist layer D. Film flow layer Please hide your replies; no scoring will be given if they are not hidden. For instructions on how to hide them, click here: Hiding method. Answers using the same IP are valid only for the first post. Also, be careful when posting – edits are invalid! Thank you all! Answer key: 1. Reacts with chlorates to reduce their concentration, thereby minimizing corrosion of pipeline and equipment materials. 2. D 3. B # hcbbs