14. Upon entering the laboratory room, where should you place your book bag? 15.
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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. During the lab period, store your books and bags under your bench. Keep the area around your chair clear. Do not store belongings on top of the lab bench.Large bookbags belong under the lab bench, smaller purses can be stored in a drawer,each lab bench has pullout writing spaces for notebooks.
15. Any accident or injury to you or another person must be reported to the lab instructor immediately, no matter how small it may seem.Help others. Burns Small burns from touching hot objects should be placed under running cold water for at least 20 minutes. Major burns need immediate medical attention. Report all accidents (chemical spill, broken glass, etc.) or injuries (burn, cut, chemical splash etc.) no matter how minor to the instructor immediately.
16. Wear safety goggles at all times in the laboratory and a laboratory apron when appropriate.
17. Never put your medicine dropper into a reagent bottle. If you do so, you will be contaminating the reagent. Instead, pour some liquid into your container, and then use your medicine dropper to take as much as you need from your container.
18. To remove a cork, stopper, or lid, do the following: After picking up the stopper, turn it upside down before placing it on the counter top. This will help avoid contaminating the chemical when the stopper is replaced.
19. you must tie your long hairs. Avoid loose clothing and tie long hair back. Long hair, extremely loose clothing or clothes with long loose sleeves, and dangling jewelry can get caught and become a hazard.
20. Fume Hoods are located around the perimeter of the room. These are used to exhaust toxic or noxious gases from the room.Assess the situation. Drop and cover in a safe area. Follow the instructions from your instructor. Do not run or panic. Prepare to leave the building, if necessary.
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