Grade 8 Unit A Review Quiz

What do the following shapes indicate? (order matters)

• warning, danger, caution

• warning, caution, danger

• caution, warning, danger

• danger, caution, warning

Which of air, water, and salt are fluids?

• water and salt

• air, water, and salt

• air and water

• water

Use the WHMIS symbols to answer the following question.

a material that was known to potentially explode would likely be marked with...

• 1

• 5

• 3

• 6

Use the WHMIS symbols to answer the following question.

a poisonous material would likely be marked with...

• 2

• 5

• 3

• 6

Use the WHMIS symbols to answer the following question.

an oxidizing material would likely be marked with...

• 1

• 5

• 3

• 6

A material that has two or more components that are easy to see is called a

• solution

• mechanical mixture

• colloid

• compound

A cloudy solution was left undisturbed for a long period of time. The particles that were once floating in the solution had since separated out of the solution and sank to the bottom. This solution would be classified as a _______________.

• Heterogenous Mixture

• Homogenous Mixture

• Suspension

• Colloid

In a solution, the _____________ is dissolved in a solvent

When no more salt can be added to a glass of water, the solution is said to be

• saturated

• unsaturated

• supersaturated

• semi saturated

An aqueous solution means that the solvent is...

• concentrated

• dilute

• saturated

• water