Physical Science Chapter 8 Test

What do we call the scattering of light as it passes through a colloid?

• The Coriolis effect
• The Mandela effect
• The Tyndall effect

Which of the following is a homogeneous mixture?

• concrete
• gasoline
• mayonnaise

What happens if you add a single crystal of solute to a supersaturated solution?

• it settles to the bottom and the rest of the solution stays the same
• it dissolves
• it causes more of the solute to crystalize until it is saturated.

Which will dissolve the fastest?

• a sugar cube
• granulated sugar
• powdered sugar

A solid solute will dissolve more slowly in which of the following?

• a cold solvent
• a hot solvent

Which freezes at a lower temperature?

• salt water
• pure water

Explain how you can tell that orange juice with pulp is a suspension.

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Describe one way you can separated different sizes of particles in a suspension.

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Describe one way you can separate a salt water solution by physical means.

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Describe how alloys are formed.

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