Lab Safety Quiz

What should you do if you break a thermometer in the lab?

• Put it back in the drawer

• Inform your teacher and let them clean it up

• Clean it up yourself

• Throw it in the trash can

Answer explanation

The correct choice is to inform your teacher and let them clean it up to ensure proper handling of the broken thermometer.

When diluting, which should be added to which - acid to water or water to acid?

• Acid to water

• Water to acid

• Mix them simultaneously

• It doesn't matter

Answer explanation

When diluting, acid should be added to water to prevent splattering and potential hazards.

What should you do if you have long hair in the lab?

• Cut it short

• Tie it back or confine it

• Leave it open

• Wear a hat

Answer explanation

You should tie it back or confine it to prevent it from getting in the way or coming into contact with chemicals or equipment in the lab.

What should you do if you find a spill or breakage in the lab?

• Ignore it

• Clean it up yourself

• Wait for someone else to clean it

• Report it immediately

Answer explanation

You should report it immediately to ensure proper handling and safety in the lab.

What should you do before using equipment, apparatus, or chemicals in the lab?

• Just start using them

• Read the instructions yourself

• Take instructions from your teacher

• Ask your classmates

Answer explanation

Taking instructions from your teacher is important before using equipment, apparatus, or chemicals in the lab to ensure safety and proper usage.

What should you do if you need to smell a chemical in the lab?

• Take a deep breath

• Stick your nose directly above the smell

• Fan/waft the top of the bottle with your hand to direct a little vapor towards your nose

• Ask your friend to smell it for you

Answer explanation

The correct choice is to fan/waft the top of the bottle with your hand to direct a little vapor towards your nose, rather than directly inhaling the chemical.