Acids and Bases React

Practice Test
      
  1.What is the formula for perchloric acid?  
  a.   HCl  
  b.   HClO2  
  c.   HClO4  
  d.   HClO3  
      
  2.If the rock and soil around a lake are rich in this, the lake can neutralize acid rain.  
  a.   quartz  
  b.   granite  
  c.   cinnabar  
  d.   limestone  
      
  3.In a ______________ reaction, two or more substances react to form a single product.  
  a.   decomposition  
  b.   gas-producing  
  c.   double displacement  
  d.   synthesis  
      
  4.Calculate the mass in grams of 0.0790 moles of aluminum.  
  a.   1.0 g  
  b.   2.1 g  
  c.   21 g  
  d.   34 g  
      
  5.How many moles of magnesium atoms is 7.32 × 1026 atoms?  
  a.   6.02 × 103 mol  
  b.   4.44 × 101 mol  
  c.   8.23 × 1026 mol  
  d.   1.22 × 103 mol  
      
  6.This is the formula for the spectator ion in the reaction between hydrobromic acid and ammonia.  
  a.   Br-  
  b.   NH3  
  c.   H3O+  
  d.   HBr  
      
  7. 22.5 mL of 0.122 M HCl neutralizes 30.0 mL of a KOH solution. What is the molarity of the KOH solution?  
  a.   0.163 M  
  b.   0.00445 M  
  c.   0.0915 M  
  d.   1.08 M  
      
  8.What type of reaction occurs when potassium and chlorine gas produce potassium chloride?  
  a.   combustion  
  b.   synthesis  
  c.   decomposition  
  d.   replacement  
      
  9.H2O is sometimes called ________________.  
  a.   the universal solvent  
  b.   a specific solute  
  c.   a poor solvent  
  d.   a solution  
      
  10.Regarding solvents and solvents, ________________.  
  a.   nonpolar solvents dissolve polar solutes  
  b.   solutes dissolve solvents  
  c.   like dissolves like  
  d.   polar solvents dissolve nonpolar solutes  
      
  11.2.52 g of diatomic oxygen occupies 3.00 L at 266 K. What is the pressure of the oxygen?  
  a.   123 kPa  
  b.   33.5 Pa  
  c.   58.0 kPa  
  d.   42.0 kPa  
      
  12.A description of a chemical reaction that includes the names of all reactants and products, but not the formulas, is called a ___________________.  
  a.   balanced equation  
  b.   chemical equation  
  c.   word equation  
  d.   skeleton equation  
      
  13.How many moles of chlorine are in 100 g chlorine (Cl)?  
  a.   64.6  
  b.   2.82  
  c.   0.355  
  d.   100  
      
  14. The reaction between nitric acid and barium hydroxide produces water and _____________.  
  a.   Ba(NO2)2  
  b.   BaNO  
  c.   Ba3N2  
  d.   Ba(NO3)2  
      
  15.A solute __________________ of the solvent.  
  a.   lowers the boiling point  
  b.   raises the freezing point  
  c.   raises the boiling point  
  d.   does not affect  
      
  16.The complete neutralization of a weak acid with a strong base produces a _______________ solution.  
  a.   basic  
  b.   cold  
  c.   neutral  
  d.   acidic  
      
  17.Oxides of this element are usually involved in producing acid rain.  
  a.   boron  
  b.   sulfur  
  c.   bromine  
  d.   sodium  
      
  18.The water molecule is polar partly because of its _____________.  
  a.   mass  
  b.   volume  
  c.   weight  
  d.   geometry  
      
  19.What is the missing product in this balanced equation describing the decomposition of water? 2H2O(l) + energy O2(g) +  
  a.   2H2(g)  
  b.   energy  
  c.   H2(g)  
  d.   H2O(g)  
      
  20.A base is a substance that produces ____________ ions when it dissolves in water.  
  a.   carbonate  
  b.   hydroxide  
  c.   hydronium  
  d.   sodium  

 
   
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