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I. Questions:

1. What is the first thing to do in the event of an accident in the laboratory? What about a fire?
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2. A mercury thermometer breaks in the laboratory. What should be done?
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3. How would you respond to a burning sensation on your hands after being in a laboratory?
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4. What are fume hoods and how should they be used?
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Sagot :

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Answer:

Explanation:

hello heres my answer:

1. In case of a lab fire or explosion, ensure your safety first and call emergency responders immediately for help. Evacuate the building safely and pull fire alarms or notify nearby people, if possible.

2. If there are any broken pieces of glass or sharp objects, pick them up with care. Place all broken objects on a paper towel. Fold the paper towel and place in a zip locking bag. Secure the bag and label it as directed by your local health or fire department.

3.Cover the burn with a clean bandage. Wrap it loosely to avoid putting pressure on burned skin. Rinse again if needed. If you feel more burning, rinse the area again for several more minutes.

4. A chemical fume hood is a ventilated enclosure used to trap and exhaust vapors, gases, and nanoparticles. The exhaust fan is typically stationed at the top of the building and pulls air through the duct work connected to the hood and exhausts it into the atmosphere.