SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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when my group has finished their experiment
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before returning glassware to its proper location
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when I need to read the hand out
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none of these are correct
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Detailed explanation-1: -You must wear safety goggles at all times while in the laboratory. If you wear glasses, safety goggles must be worn over them. Wearing contact lenses in lab is strongly discouraged. If you wear them, you must wear safety goggles as well.
Detailed explanation-2: -In the lab, safety goggles must be worn at all times, not just when an experiment is being conducted. Therefore, before entering the lab, students are required to put on their safety goggles. Any time a student needs to take off their safety goggles, they must first leave the lab.
Detailed explanation-3: -Protective eyewear must be worn in all laboratory spaces where physical, biological, and chemical hazards are present or whenever there is a chance of an eye injury. Eye injuries in laboratory spaces are very common and can result in serious eye damage.
Detailed explanation-4: -Know emergency exit routes. Avoid skin and eye contact with chemicals. Minimize all chemical exposures. No horseplay will be tolerated.
Detailed explanation-5: -Dress appropriately. Before entering the lab, make sure to put on a lab coat. Keep a tidy lab. Know your lab safety symbols. Handle chemical spills properly. Know your safety equipment. 11-Oct-2022