Lab Equipment and Safety Read each question carefully and choose the correct answer. 1. A beaker cannot be used for measuring th
e volume of a liquid because _____. a. it is too large b. it is too small c. it is only used for chemical reactions d. it does not have precise measuring lines 2. The best instrument to use to measure volume in the lab is a _____. a. test tube b. graduated cylinder c. flask d. beaker 3. Which list of lab equipment and tools is a complete list needed to heat a reaction in a beaker with high heat? a. beaker, ring stand, iron ring, Bunsen burner, beaker tongs, and wire gauze b. beaker, ring stand, utility clamp, beaker tongs, and Bunsen burner c. beaker, hot plate, Bunsen burner, and beaker tongs d. beaker, hot plate, and beaker tongs 4. Anna is excited about conducting her lab today. She takes out her lab sheet and reads over the lab. She gathers all of the lab materials. She follows each lab procedure step-by-step until she has completed the procedure and recorded all of the data she collected. Afterward, Anna takes two of the substances and mixes them together to see what will happen. Which lab safety rule did Anna break? a. Follow all written and verbal instructions. If you do not understand something, ask the teacher first. b. Monitor experiments at all times. c. Wear goggles any time chemicals, heat, or glassware are used. d. Only perform experiments that your teacher tells you to perform. Never do anything that is not in the procedures. 5. Casey is ready for lab. He has on all necessary lab attire. He looks at his procedure and sees that it tells him to use a test tube to conduct a reaction. The test tube will need to be heated. Casey picks up the test tube, places the necessary substances inside, and heats the test tube. Which lab safety rule did Casey break? a. Be prepared. Read all procedures thoroughly before starting the lab. b. Thoroughly inspect glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware. c. Wear goggles any time chemicals, heat, or glassware are used. d. Dress properly during a laboratory activity. Long hair must be tied back, and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No sandals allowed.
