In the teaching labs, contact lens wear:ĭ. Solid shoes provide better traction than slick sandals.Į. Solid shoes protect feet from contamination from spills.Ĭ. Solid shoes protect feet from cuts from broken glass.ī. Why are closed shoes required, even on warm days?Ī. Eye protection, closed shoes, and long lab coat 23. Long pants, T-shirt & closed shoes & safety glasses. Eye protection, closed shoes, and long lab coat.Į. Hiking boots, lab coat & full-face shield.ĭ. What is the minimum level of personal protection Chris & Alex must wear to be allowed to work in the teaching labs?ī. Put the extra in a beaker near the balances for other students to use Put the extra in a labeled waste container 22. Put the extra in a labeled waste containerĭ. Put the extra in the trashcan under the balance benchĬ. If you weigh out too much of a chemical, you shouldī. Wash your hands thoroughly with soap and water 21. wash your hands thoroughly with soap and water.ĭ. When you finish working with chemicals and other lab substances, alwaysī. If an acid is splashed on your skin, wash at once withĭ. If a piece of equipment is not working properly, stop, turn it off, andĭ. Horseplay or practical jokes in the laboratory areĭ. shoes appropriate for the weather Closed-toed shoes 17. The following footwear is best in the laboratory.ĭ. In a laboratory, the following should not be worn.ĭ. Tied back or kept entirely out of the way with a hairband, hairpins, or other confining device 15. held away from the experiment with one hand.ĭ. Personal eyeglasses provide as much protection asĭ.
twisting the tubing and stopper carefully.ĭ. using a towel or cotton gloves for protection.Ĭ. lubricating the tubing with water or glycerin.ī. You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. clean any glassware that appears dirty.ĭ. examine all glassware to check for chips or cracks.Ĭ. read all directions carefully to know what equipment is necessary.ī. When gathering glassware and equipment for an experiment, you shouldĪ.
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