Lab Safety Quiz

Isla and David are about to start a chemistry experiment. What is the first step before handling any hazardous chemicals?

• Read a book

• Wear protective goggles and a lab apron

• Eat a snack

• Take a nap

During a chemistry lab, what should James never do when handling concentrated acid?

• Pour water into the acid.

• Pour acid into water.

• Mix acid with another chemical.

• Heat the acid directly.

During a chemistry experiment, Noah needs to mix acid and water. What is the correct procedure he should follow?

• Pour water into acid.

• Pour acid into water.

• Mix them simultaneously.

• Add water drop by drop into acid.

During a chemistry lab, Samuel needs to smell a chemical. What should he do?

• Waft the fumes toward your nose with one hand.

• Put your nose over the container and inhale.

• Pour the chemical on a cloth and smell it.

• Inhale directly from the container.

During a chemistry lab, what should Evelyn never do when handling concentrated acid?

• Pour water into the acid.

• Pour acid into water.

• Mix acid with another chemical.

• Heat the acid directly.

During a chemistry lab, Scarlett and Evelyn were instructed to waft the fumes toward their nose instead of inhaling directly. Why should they do this?

• To avoid inhaling harmful fumes directly.

• To get a stronger smell.

• To make the chemical react.

• To cool down the fumes.

During a chemistry class, Ethan and Anika were discussing the main topic of their recent lesson. What is the main topic of the provided learning material?

• Chemical reactions.

• Chemical safety.

• Chemical properties.

• Chemical experiments.

During a science class, Anika asked, 'What should you never poke into an electrical outlet?'

• Anything

• A pencil

• A paperclip

• A finger

When Ethan was unplugging cords in the classroom, what should he pull?

• The cord

• The plug

• The socket

• The wire

When should Isla unplug all electrical equipment in the lab?

• At the beginning of the lab period

• During the lab period

• At the end of the lab period

• Never