SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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leaving backpacks at the door
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continuing to use a test tube after dropping it
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looking directly down inside a boiling test tube
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wearing open sandals with a back ankle strap.
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Detailed explanation-1: -Wear clothing and shoes that cover exposed skin and protect you from potential splashes. Tie back long hair, jewelry, or anything that may catch in equipment. Never eat food, drink beverages, chew gum, apply cosmetics (including lip balm), or handle contact lenses in the laboratory.
Detailed explanation-2: -Items such as book bags, backpacks, purses and coats should be put out of the way off the floor and lab bench. 2. Cell phones should be turned off before entering the laboratory. 3.
Detailed explanation-3: -Always wash your hands before leaving the laboratory, even though you use gloves. Wash your hands after removing soiled protective clothing, before leaving the laboratory, and before eating, drinking, smoking, or using a rest room.
Detailed explanation-4: -Know locations of laboratory safety showers, eyewash stations, and fire extinguishers. Know emergency exit routes. Avoid skin and eye contact with chemicals. Minimize all chemical exposures. No horseplay will be tolerated. Assume that all chemicals of unknown toxicity are highly toxic. More items