Presentation on theme: "Lab Safety Homework and Review Questions. Safety items #1) Name four safety items that are found in a chemistry lab."— Presentation transcript:
Lab Safety Homework and Review Questions
Safety items #1) Name four safety items that are found in a chemistry lab.
Safe lab practice #2 Which of the following is NOT an appropriate lab safety rule? (A) Wear protective glasses or goggles for all laboratory work. (B) Check chemical labels twice to make sure that you have the correct substance. (C) Report any laboratory accident, no matter how small, to your teacher immediately. (D) Look directly down into a test tube when you are trying to view the contents.
Smelling a substance #3 Describe how you would safely smell a substance in a chemistry lab from a flask or beaker
Chemical spills #4 Name two things you would do in case of a chemical spill on your skin or clothing
Fire Extinguishers #5a What is the first step to be taken in order to use a fire extinguisher once it in your hands? #5b Where do you aim the spray? Explain your response.
Food in lab #6 Why don’t you eat in the lab? Explain your response.
Fume Hood #7 Write a physical description and sketch the fume hood in the classroom. #8 Describe an example of lab work that should be performed inside the hood. Why should this not be done elsewhere in lab?
Exits #9 Why should there be at least 2 exit doors in each lab?
Goggles #10 Why should everybody in lab wear goggles where hazardous chemicals or procedures involving flames, explosions or flying particles.
Gloves #11 When should you wear gloves? What lab actions could you do without gloves on?
Unused chemicals #12 Julie pours out 10 ml of a chemical into a beaker. She uses only 7 ml during her experiment. What should she do with the remaining chemical after the experiment?
MSDS sheets What is the use of MSDS sheets? Where are they located in class? What do the numbers mean?