lab safety and combustion

what is it called when you go from a liquid to solid?

• melting

• condensing

• freezing

• evaporation

how are the particles in gas arranged?

• Tightly packed and don't move

• have no fixed position and are spread out

• have no fixed position and are close together

• None of those

what is this symbol?

• corrosive

• toxic

• bio-hazard

• irritant

what is this apparatus?

• test tube

• measuring cylinder

• boiling tube

• gauze

Turning a solid into a liquid is

what is this hazard symbol?

• Irritant

• radioactive

• explosive

• flammable

To make a flame you need oxygen, heat and