Lab Safety Online Quiz Practice 2026

When a Bunsen burner is being used, which of the following rules should be observed?

• Never work in the laboratory alone.
• Tie back long hair.
• Remove loose or bulky clothing.
• All of the above

Your lab desk has two beakers on it, each containing a clear liquid. You decide to smell them each to see which is vinegar and which is alcohol. Which is the best method for smelling these chemicals.

• Put each beaker to your nose and sniff.
• Put each beaker to your nose and use the wafting motion to fan the odor toward your nose.
• Hold each beaker away from your face and use the wafting motion to fan the odor toward your nose.
• None of these is correct.

When heating a test tube over a Bunsen burner, it is important to do what?

• hold the test tube upright.
• hold the test tube as still as possible.
• point the open end away from youself and others.
• None of the above.

When you are conducting a laboratory experiment, it is important that you do what?

• unplug hot plates after use.
• separate paper wastes from broken glass.
• keep your work area neat and uncluttered.
• all of the above

You should stir a solution with what tool?

• a pencil.
• a thermometer.
• a glass stirring rod.
• a pen

When may you eat or drink in the laboratory?

• after you have washed your hands.
• when there is a lab activity in progress.
• if the equipment looks dirty.
• not under any circumstances.

Your hand is accidentally splashed with few drops of a strong chemical. What should you do first?

• notify your teacher at once.
• pat your hand dry with a paper towel.
• tell your lab mate
• grab a snack.

You should know both the location of emergency equipment and how to use it.

• True
• False

You should clean up broken glass so the teacher doesn’t have to.

• True
• False

Smell a chemical by using the wafting motion.

• True
• False