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Chapter 5: Matter in Solution

Practice Test
      
  1.Which of the following correctly describes a solute and a solvent?  
  a.   A solute dissolves a solvent.  
  b.   A solute is dissolved in a solvent.  
  c.   A solvent is dissolved in a solute.  
  d.   All of the above  
  Hint    
      
  2.Which of the following is an example of a colloid?  
  a.   vinegar  
  b.   water  
  c.   milk  
  d.   muddy water  
  Hint    
      
  3.What is Richard Zsigmondy credited with inventing?  
  a.   colloids  
  b.   colored glass  
  c.   the ultramicroscope  
  d.   filter paper  
  Hint    
      
  4.What is a colloid?  
  a.   A colloid is a kind of solution.  
  b.   A colloid is a kind of solvent.  
  c.   A colloid is a kind of mixture.  
  d.   A colloid is a kind of suspension.  
  Hint    
      
  5.Which drink probably contains the most particles?  
  a.   a drink that contains 10 percent juice  
  b.   a drink that contains 90 percent juice  
  c.   a drink that contains 90 percent water  
  d.   a drink that contains 100 percent water  
  Hint    
      
  6.What happens to the amount of oxygen dissolved in the ocean's surface as the water is warmed by Earth's atmosphere?  
  a.   The amount of oxygen in the water remains unchanged.  
  b.   The amount of oxygen in the water increases.  
  c.   The amount of oxygen in the water decreases.  
  d.   Fish in the water need oxygen to survive.  
  Hint    
      
  7.How do concentrated solutions differ from dilute solutions?  
  a.   Concentrated solutions contain more solute in a solvent than equal amounts of dilute solution.  
  b.   Concentrated solutions contain less solute in a solvent than equal amounts of dilute solution.  
  c.   Concentrated solutions contain more solvent than a dilute solution.  
  d.   Concentrated solutions contain more solution than a dilute solution.  
  Hint    
      
  8.Which of the following best describes sea water as a solution?  
  a.   The solvent is water and the solute is sodium chloride.  
  b.   The solute is water and the solvent is sodium chloride.  
  c.   The solvent is salt and the solute is water and sodium.  
  d.   The solvent is sea water and the solute is water and sodium.  
  Hint    
      
  9.How is a colloid different than a suspension?  
  a.   Particles are homogeneous in a colloid, but heterogeneous in a suspension.  
  b.   Particles will scatter light in a suspension, but not in a colloid.  
  c.   Colloids are solutions, suspensions are not.  
  d.   Suspensions can be separated using filter paper, colloids can not.  
  Hint    
      
  10.What happens when more solute is added to a saturated solution?  
  a.   The solution becomes unsaturated.  
  b.   The solution has to make more room for particles.  
  c.   There is less room for the particles in the solution.  
  d.   No more solute can dissolve.  
  Hint    

 
   
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