CHEM 120L Study Guide Questions With Complete Solutions

What is the recommended protective clothing for the lab? correct answer: Safety goggles: -slash proof safety goggles are required and give the max protection from spills and flying objects Footwear: -shoes that fully cover the feet Lab coats: -not required but strongly recommended to protect skin and clothing -long hair must be tied back no food or drink Describe the first aid used for chemicals on the skin, eye and cut/abrasions/burns correct answer: -in general best course of action for chemicals splashed on skin is to flush with large quantities of tap water Chemicals on skin: -move to the nearest sink, eyewash or emergency shower and flush the affected area with large quantities of water -if irritation or pain develops, report to health services and bring all chemical info Chemicals in the eye: -locate the emergency eye wash to your station -if chemicals enter the eye flowing fresh water should be used immediately to flush out eye for a minimum of 10 mins -have someone inform the instructor and after flushing go to health services Cuts, abrasions and burns: -report to TA What types of things should you do in case of fire and explosions? correct answer: -learn the location of fire exit, alarm, extinguisher, safety shower and fire blankets -If the fire alarm sounds, turn off all services (gas, electricity, and water) and leave the building immediate