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Practice questions on June 15, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting). Thank you for your replies

2017-06-15View Original

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This post was last edited by percy on 2017-6-14 19:25. Multiple-choice question: (No points will be given for selecting too many or too few options) The correct characteristics of hydrogen sulfide are (A, B, D). A Toxic B. Colorless with an odor similar to that of rotten eggs C. Lighter than air D. Soluble in water E. The vent valve on the liquid level gauge at the bottom of the tower is closed. No rating will be given for replies within 1 day of posting; thanks for your reply

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