Lab safety and Lab equipment

What should you do if a harmful chemical splashes in your eyes or on your skin?

• Flush with water at the eyewash station or in the lab shower and tell the teacher.

• Rub your eyes or skin to remove the chemical.

• Ignore it and continue working.

• Cover the affected area with a bandage and wait for help.

How should long hair be managed in the laboratory?

• Long hair can be left loose and flowing.

• Long hair must be tied back or kept entirely out of the way with a hair band.

• Long hair should be cut short before entering the lab.

• Long hair can be styled in a bun but should not be tied back.

What should you do with leftover chemicals after an experiment?

• Dispose of leftover chemicals according to your teacher's instructions and safety guidelines.

• Pour them down the sink without any precautions.

• Store them in a random cabinet for future use.

• Throw them in the trash without any special handling.

Who is responsible for cleaning up the lab or classroom?

• Only the teacher is responsible.

• Only the lab assistant is responsible.

• Each and every student is responsible for helping to clean up.

• Only the students who made a mess are responsible.

What is the function of a fume hood?

• To provide a source of light for laboratory work.

• To ventilate hazardous fumes and protect users from inhaling toxic substances.

• To store chemicals safely and securely.

• To serve as a workbench for experiments.

True or False: You should read all procedures thoroughly before entering the laboratory.

• True

• False

• Sometimes

• Only if instructed

What is a beaker used for?

• To measure precisely small amounts of liquids.

• To measure (but not precisely), heat, and mix large amounts of liquids.

• To store solid materials only.

• To filter liquids and separate solids.

What is the correct way to handle a Bunsen burner?

• Always light the Bunsen burner with a striker, and never leave it unattended while in use.

• You can light the Bunsen burner with a match and leave it unattended for short periods.

• It's safe to use a Bunsen burner without any protective gear.

• You should always use a lighter to ignite the Bunsen burner.

What should you do if you feel unwell during a lab experiment?

• Continue the experiment until it ends.

• Inform your teacher immediately and stop the experiment.

• Take a break and drink water.

• Ignore the feeling and focus on the task.

What is the purpose of a graduated cylinder?

• To measure precise volumes of liquids.

• To mix chemicals together.

• To heat substances safely.

• To store solid materials.