Laboratory Safety Quiz

What should you do before beginning any laboratory activity?

• Start the experiment immediately.

• Read and review all instructions.

• Ask a friend for help.

• Ignore the instructions.

What is the correct action if you are unfamiliar with a piece of equipment in the lab?

• Use it without asking.

• Ask the instructor for guidance.

• Guess how to use it.

• Avoid using it altogether.

Why is it important to check labels and equipment carefully in the lab?

• To save time.

• To ensure safety and avoid using faulty equipment.

• To impress the teacher.

• To make the lab look organized.

What should students wear during hazardous experiments involving chemicals?

• Regular eyeglasses.

• Chemical splash goggles.

• No eye protection.

• Sunglasses.

What type of clothing is not appropriate for laboratory work?

• Long hanging necklaces and bulky clothing.

• Laboratory aprons and coats.

• Short-sleeved shirts.

• Closed-toed shoes.

What should you do if a person's hair or clothing catches fire in the laboratory?

• Use water to put out the fire

• Notify the teacher and use a fire blanket

• Run out of the building immediately

• Use a fire extinguisher on the person

What is the proper way to handle chemicals in the laboratory?

• Taste the chemicals to identify them

• Use bare hands to touch chemicals

• Wear gloves and use appropriate protective gear

• Smell chemicals directly to identify them

How should acids be added to water?

• Quickly and in large amounts

• Slowly and carefully

• By pouring water into acid

• Without any specific order

What should be done with broken glass in the laboratory?

• Leave it on the floor

• Pick it up with bare hands

• Use a counter brush and dustpan to dispose of it

• Ignore it and continue working

What is the correct procedure for pipetting liquids?

• Use your mouth to draw the liquid

• Use a rubber suction bulb

• Pour the liquid directly into the pipette

• Use a straw to suck up the liquid