Lab Safety

This is the measures you ust go through to be safe in lab. Applies to Sue's 120L/121L and 123L/125L labs.

Chemical spills, drips and bottle rings must be cleaned up (when):

immediately

True or false?: Unlabelled chemicals are safe to use in the lab

False!

True or false?: Flammable liquids can be safely heated over a Bunsen burner

False!

True or false?: Acid spills should be neutralized by treatment with base

False!

True or False?: Keep hands away from your eyes or face when you are working with chemicals

True!

When should you try to extinguish a fire?

1. Someone is dialing 911 to report the fire

2. You are familiar with the use of a fire extinguisher

3. The fire is small and not spreading

4. The room is being evacuated

5. The fire extinguisher is appropriate for the type of fire

Before handling a chemical, you should be aware of its…

1. boiling point

2. flash point

3. vapour pressure

4. toxicity

5. explosive limits

6. incompatibilities

In what state are chemcials the most dangerous? Why? How can you be safe?

Gas

1.they can be toxic, flammable or both

2. use vapours

When handling chemcials, where should(n’t) your hands be?

away from:

• face

• skin

How do you test a chemcical’s smell?

waft the smell towards nose using hand

How should you NEVER test chemicals?

taste

How should you fill a pipette?

w/ a plastic bulb

How should you NOT fill a pipette

don’t use:

• mouth

What is the order for mixing acids and water?

acids → water

What should you do