BEHS Chemistry
Practice Test
 The Acid Test
 
  Directions:  Number a piece of paper from 1 to 15.  Answer each question, writing your answers on
your paper.  The correct answers to the questions appear at the end of the practice test.
 

Mark an "A" for the properties of an acid and a "B" for the properties of a base..

_____ 1.  Turns blue litmus red
_____ 2.  Has a pH of less than 7.
_____ 3.  Turns red cabbage juice blue
_____ 4.  Donates a hydroxide ion to solutions.
_____ 5.  Tastes sour
 

Complete the following table.
 
 

Is the solutions acidic, basic or neutral? hydrogen ion concentration [H+] hydroxide ion concentration [OH-] pH of the solution
        6.            7.         8.                 4
         9.            10.       2.6  X 10 -10            11.
        12.        1  X 10 -6       13.            14.

15.  You wish to determine the molarityof a citric acid solution.  A 50 mL sample of the citric acid is titrated with 125 mL of a .50 M NaOH solution.  What is the molarity of the citric acid sample?
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

ANSWERS

1.  A
2.  A
3.  B
4.  B
5.  A
6.  acid
7.  1 X 10 -4 moles/liter
8.  1 X 10 -10 moles/liter
9.  acid
10.  3.8 X 10 -5 moles/liter
11.  4.4
12.  acid
13.  1 X 10 -8 moles/liter
14.  6
15.  1.25 M

Contact: Tom Davidson, Box Elder High School 380 So. 600 w. (435-734-4840) Email: tom.davidson@besd.net