Chemistry Unit Review

Identify the WHMIS symbol by choosing the description of the hazard.

• organisms or toxins that can cause disease in people or animals

• gases under pressure

• may cause or suspected of causing serious health effects

• can cause death or toxicity with short exposure to small amounts

Identify the WHMIS symbol by choosing the description of the hazard.

• oxidizing hazards

• fire hazards

• corrosive damage to metals, as well as skin, eyes

• explosion or reactivity hazards

In the event of broken equipment, what should you do?

• stop using the equipment and report it immediately
• continue using the equipment and report it immediately
• stop using the equipment and report it later
• continue using the equipment and report it later

You are heating a piece of glass and now want to pick it up. You should 

• pour cold water on it
• use tongs
• pick up the end that looks cooler
• use a rag or paper towels

What is special about graduated cylinders?

• They hold large quantities of liquid safely
• They measure small amounts very accurately. We use them when precision is important.
• They allow us to examine the liquid, we use them when looking for suspended solids.
• They are easily heated. We use graduated cylinders to heat liquids

This is used to store and mix chemicals during an experiment

• graduated cylinder

• thermometer

• beaker

• tongs

flammability of a substance

• physical change

• physical property

• chemical change

• chemical property

freezing point

• physical change

• physical property

• chemical change

• chemical property

formation of water when hydrogen burns

• physical change

• physical property

• chemical change

• chemical property

boiling water

• physical change

• physical property

• chemical change

• chemical property