Safety Essentials in the Science Lab

What was the main reason Lieutenant Grumman and Sergeant Bruno visited the chemistry lab?

• To conduct a routine inspection

• To meet the new chemistry teacher

• To investigate a recent accident

• To teach a safety class

Which of the following chemicals can cause permanent lung damage if inhaled excessively?

• Sodium

• Hydrochloric acid

• Nitric acid

• White phosphorus

What should students do to prepare for lab work?

• Wear sandals

• Leave long hair untied

• Wear open-toed shoes

• Remove loose jewelry

How should acids be diluted to ensure safety?

• Pour water into acid

• Pour acid into water

• Mix acid and water simultaneously

• Add acid to a beaker of water

What is the correct way to clean up a spilled base in the lab?

• Use a fire extinguisher

• Use a sodium bicarbonate solution

• Use a vinegar solution

• Use water

What should you do if you spill acid on your skin?

• Ignore it

• Apply a base solution

• Rinse with plenty of running water

• Wipe it off with a cloth

What is the first step when lighting a gas burner?

• Light the match

• Connect the burner hose

• Turn on the gas

• Check for volatile materials

How should you handle glass tubing to avoid injury?

• Insert it quickly into a stopper

• Heat it without protection

• Lubricate it with glycerin

• Bend it with bare hands

What should you do if someone's clothing catches fire in the lab?

• Run for help

• Smother it with a fire blanket

• Pour water on it

• Use a fire extinguisher

What was the final realization of Lieutenant Grumman and Sergeant Bruno?

• They solved the case

• They needed more evidence

• They were in the wrong school

• They found the culprit