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Chapter 5: Matter in Solution

Practice Test
      
  1.Which of the following statements about suspensions is correct?  
  a.   The particles in a suspension will not scatter light.  
  b.   The particles in a suspension settle upon standing.  
  c.   The particles in a suspension are homogeneous.  
  d.   All of the above  
  Hint    
      
  2.What is Richard Zsigmondy credited with inventing?  
  a.   colloids  
  b.   colored glass  
  c.   the ultramicroscope  
  d.   filter paper  
  Hint    
      
  3.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    
      
  4.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    
      
  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 is a term used to describe a mixture of tiny particles that are evenly mixed and do not settle out?  
  a.   solvent  
  b.   solution  
  c.   solute  
  d.   sea water  
  Hint    
      
  7.Which of the following is an example of a suspension?  
  a.   fog  
  b.   sea water  
  c.   milk  
  d.   muddy water  
  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 do shaking and stirring affect dissolution rate?  
  a.   The dissolution rate increases.  
  b.   The dissolution rate decreases.  
  c.   The dissolution rate is unaffected by shaking and stirring.  
  d.   The rate increases for dissolving and solid in a liquid, but decreases for dissolving a gas in a liquid.  
  Hint    
      
  10.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    

 
   
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