Review of Grade 9 Chemistry

What is an example of a compound?

• Salt water
• Sugar water
• Oil and vinegar mixture
• Water

In what substance are all the atoms are the same?

• colloid

• homogeneous mixture

• solution

• element

What type of mixture is this?

• heterogeneous 
• homogeneous

Is colour a Chemical or Physical Property?

• Chemical Property

• Physical Property

Is a substance's solubility (ability to dissolve) a Chemical or Physical Property?

• Chemical Property

• Physical Property

Is combustibility (whether a substance can burn) a Chemical or Physical Property?

• Chemical Property

• Physical Property

Is cutting a piece of paper an example of a Physical or Chemical change?

• Physical Change

• Chemical Change

Is boiling water an example of a Physical or Chemical change?

• Physical Change

• Chemical Change

Is burning wood in a campfire an example of a Physical or Chemical change?

• Physical Change

• Chemical Change

Which of the following observations is a clue that a chemical change has occurred? (check all that apply)

• A new colour appeared

• Heat was produced

• A decrease in size

• Bubbles were produced