What is the best reason for a student to remove a dangling bracelet when heating test tubes of acidic solutions in a hot-water bath in a chemistry lab?
What information is given in the MSDS for acetic acid?
Emily spills concentrated sodium hydroxide solution on her lab bench. What she should do first?
Jerome and a classmate are conducting an experiment. Which piece of safety equipment is least likely to be at Jerome’s lab station?
When should a lab coat, safety goggles, and gloves be worn in the laboratory?
Zachary, a lab instructor, is writing a safety contract that his chemistry class will use for an experiment. He mentions that students should not eat or drink in the lab. Which other item should also be included?
What are close-toed shoes least likely to provide protection against?
Hiro does not see a puddle of liquid on the lab table and accidentally touches the liquid. What should Hiro do next?
Forrest spills some acid on the lab floor. He notifies his teacher and begins to look for baking soda to neutralize the acid on the floor. Who should be notified next?
The MSDS for benzene indicates that it is a clear liquid that has a substantial vapor pressure. It has a health rating of 2, a fire rating of 3, and a reactivity rating of 0. It is a cancer-causing agent. Based on this information, which statement about benzene is accurate?
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