Chemistry 11 Lab Safety Quiz /20 Part I – Multiple Choice: Choose the best answer. Each question is worth 1 mark. 1. You mistakenly reach over an open flame instead of around it and your lab coat catches fire. Your response should be to: a. Pull the fire alarm b. Run as fast as you can to put out the fire c. Stop, drop and roll d. Try to put it out using a fire extinguisher 2. If you get acid or base in your eyes, you should: a. Immediately rinse your eyes at the eyewash station b. Squirt the acid-base neutralizing solution directly into your eyes c. Blink rapidly to rid your eyes of the acid or base d. All of the above 3. What precautions, if any, must be taken with long hair and beards in the lab? a. Must be shampooed so hair is not oily and won’t catch fire b. Must be tied back and away from flames and chemicals c. Long hair and beards are not allowed in the lab d. No precautions required 4. If your instructor is injured during a lab, who can you call? a. 911 b. The office c. School nurse d. Any of the above 5. After finishing up a lab you should: a. Clean all the equipment and leave them on the table for the next class b. Clean and return all the equipment and wipe down all tables tops c. Let the partner who didn’t do the lab do all the cleanup d. Sneak out the classroom and hope no one will notice Use the following symbols to answer questions 6 -9 6. Which symbol would be most commonly found in a biology lab? a. A b. E c. F d. D 7. Which symbol indicates a material can react dangerously to chemicals in the environment such as water? a. A b. B c. C d. H 8. A container full of hydrogen can be labeled as: a. A only b. B only c. C only d. Two of the above (A and B) 9. The symbol C is used to describe which of the following types of substances? a. Super flammable b. Flammable c. Oxygenating materials d. Oxidizing materials Part II – Short Answer: Answer using 3 sentences or less. 10. What are 3 things to remember for handling and disposing broken glass? (3 marks) a) use a broom and dustpan (not your bare hands) b) dispose of broken glass in the broken glass disposal bin (or designated container) c) warn other students about the broken glass & inform the instructor 11. Define “corrosive” and give an example of a corrosive substance. (2 marks) Corrosive substances are acidic or basic materials that can eat through the skin. E.g. strong acids & strong bases 12. What are 3 of the 6 pieces of information that must be included with every WHMIS label? (3 marks) Name of the chemical WHMIS hazard symbol Risk & precautions First aid instructions Supplier’s name & address MSDS reference 13. A student is adding small drops of acid to a solution. She/he is leaning in closely to count how many drops of acid she/he is adding. The acid splashes and gets in their eyes. How would the above scenario be prevented and what is the proper response? (3 marks) Always wear goggles Don’t get too close to dangerous chemicals Use a dropper to count the drops Go to the eyewash station Inform the instructor