14. Upon entering the laboratory room, where should you place your book bag? 15.

Question

14. Upon entering the laboratory room, where should you place your book bag? 15. You accidentally touch a hot ring clamp and burn your thumb. What should you do? Jex my teching a sSi Shan 16. What is the proper way to clean glassware? Should you wear your gogeles and apron while cleaning your glassware? 17. To obtain a chemical from a reagent bottle, should you use the medicine dropper in your drawer? Why or why not? A student removes the glass lid from a reagent bottle and places the lid down on the benchtop. Why is this wrong? 18. Before lighting the Bunsen burner flame, what should be done with long hair and/or loose sleeves? Why? 19. fur our Salty canfired in 20. A reaction generates the noxious gas HS (rotten egg smell,. You are carrying out the reaction under the student hood but can still detect a strong odor of H,S. What is wrong? NOTE: This gas is dangerous since the nose becomes d esensitized to the H,S odor over time.

Explanation / Answer

14. Upon entering the laboratory room, where should you place your book bag? 15.

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