Unit 6, Physical Science, 2nd Semester: Question Preview (ID: 24704)


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Which of the following would likely form a heterogeneous mixture?
a) Baking soda and water b) Salt and water c) Sand and water d) Sugar and water
Since the mud in muddy water eventually settles out, the muddy water is a __________.
a) Solution b) Suspension c) Colloid d)
In the Solubility lab, what did you change the temperature of?
a) Solvent b) Solute c) Entire solution d) All of the above
If solid material settles out of a mixture over time, the unknown mixture is likely a __________.
a) Solution b) Suspension c) Colloid d) Homogenous
What does the rate of solution measure?
a) how much of a substance precipitates b) how fast a substance precipitates c) how much of a substance dissolves d) how fast a substance dissolves
Separating out solute from a solvent through evaporation is a __________ process.
a) Physical b) Chemical c) Nuclear d)
In the Mixtures lab, you waited to see if the liquid would form lumpy or fluffy masses, which would indicate it was a __________.
a) suspension b) colloid c) homogenous mixture d) solution
__________ is known as the universal solvent because it dissolves more solutes than any other solvent.
a) Hydrochloric acid b) Salt c) Vinegar d) Water
What is solubility?
a) Solubility is how much solid only will dissolve in liquid only. b) Solubility is how much solute will precipitate out of solvent. c) Solubility is how much solute will dissolve in solvent. d) Solubility is how much solvent will dissolve in solute.
Opening a soda bottle illustrates how a decrease in pressure will __________ the amount of gas that can be dissolved in water.
a) Decrease b) Increase c) Not Change d)
Which of the following does not affect the rate of solubility?
a) surface area b) temperature c) pressure d) weight
You can increase the rate solute dissolves in solvent by __________.
a) lowering the temperature of the solvent b) using more particles of solute c) using larger particles of solute d) crushing particles of solute
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