Laboratory Safety

Which of the following laboratory rules is incorrect?

• Only enter a lab when told to do so by a teacher

• Never run in the lab

• Sit on your stool at all times

• Do not eat or drink in a lab

Which of the following hazard symbols means flammable?

• A

• B

• C

• D

What does this hazard symbol tell you about the substance being used?

• It is extremely hot

• It will give off radiation

• It is very toxic

• It is corrosive

Tags

NGSS.MS-PS1-2

What substance might have this hazard symbol?

• Oxygen gas

• Sodium chloride (salt)

• Lead chloride

• Ethanoic acid (vinegar)

Tags

NGSS.MS-PS1-2

This symbol is used to show a moderate hazard. Which substance below would it NOT apply to?

• Concentrated hydrochloric acid

• Dilute hydrochloric acid

• Sodium carbonate

• Carbon dioxide gas

Tags

NGSS.MS-PS1-2

Which substance might need this hazard symbol for the way that it is stored in a lab?

• Hydrogen gas

• Sodium chloride

• Sulfuric acid

• Sulfur

What properties would a substance with these hazard symbols have?

• A flammable corrosive gas

• A flammable explosive gas

• An toxic explosive gas

• A toxic liquid that is oxidising

Tags

NGSS.MS-PS1-2

Is it safe to drink from your water bottle in a lab?

• Yes, always

• Yes if you wash your hands first

• Yes if practical work is not being carried out

• Never

What piece of equipment must always be worn during Chemistry experiments?

• Gloves

• Lab coat

• Safety glasses

• Face mask

You accidentally spill some dilute acid during an experiment. Choose the the best option below?

• You mop it up yourself

• You ignore it as it it is only dilute acid

• You will automatically get a detention

• You tell your teacher