Mixtures And Solutions Question Preview (ID: 504)
Mixtures And Solutions Review.
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Which of the following is the best example of a solution?
a) water and gravel
b) ice tea
c) iron filings and sand
d) trail mix
Which of the following substances is soluble in water?
a) baking soda
b) pepper
c) citric acid
d) sand
Which factor will NOT cause a solute to dissolve more quickly?
a) shaking
b) stirring
c) heating the water
d) adding ice to the water
A liquid used to dissolve a solute is called a __________________.
a) solvent
b) solution
c) solubility
d) solute
Which of the following describes the characteristics of a gas?
a) tightly packed particles which keep their shape and have a definite volume
b) particles that do not move and have no shape
c) particles that flow freely, without a definite shape or volume and fill their container
d) more loosely packed particles that flow onto one another, take the shape of their container and have a definite volume
Which method would be best for separating citric acid and water?
a) evaporation
b) chromotography
c) filtering through a coffee filter
d) floatation
How could you make a more concentrated solution?
a) Add more solvent
b) Pour out some of the solution
c) Put the solution in the refrigerator
d) Add more solute
Which of the following describes the characteristics of a solid?
a) tightly packed particles which keep their shape and have a definite volume
b) particles that do not move and have no shape
c) particles that flow freely, without a definite shape or volume and fill their container
d) more loosely packed particles that flow onto one another, take the shape of their container and have a definite volume
How can you tell which solution is more concentrated when they look the same and have the same volume?
a) Use a thermometer to test temperatures
b) Use a balance to see which is the heaviest
c) Taste the mystery solution
d) Put your finger in the mystery solution
Which substance would dissolve in water the most quickly?
a) sand
b) baking soda
c) large salt particles
d) small salt particles
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