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Chapter 5: Matter in Solution

Practice Test
      
  1.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    
      
  2.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    
      
  3.What is Richard Zsigmondy credited with inventing?  
  a.   colloids  
  b.   colored glass  
  c.   the ultramicroscope  
  d.   filter paper  
  Hint    
      
  4.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    
      
  5.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    
      
  6.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    
      
  7.The term used to describe the amount of a substance that will dissolve in a given amount of solvent is __________.  
  a.   absorbency  
  b.   solvency  
  c.   solubility  
  d.   solution  
  Hint    
      
  8.Which of the following is an example of a colloid?  
  a.   vinegar  
  b.   water  
  c.   milk  
  d.   muddy water  
  Hint    
      
  9.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    
      
  10.Which of the following is an example of a suspension?  
  a.   fog  
  b.   sea water  
  c.   milk  
  d.   muddy water  
  Hint    

 
   
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