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Chemistry Of Life 2
Test Description: Acids and Bases
Instructions: Answer all questions to get your test result.
1) A pH of greater than 7 represents a(n)
A
element
B
salt
C
acid
D
base
2) Excess hydrogen ions are produced in solution by
A
acids
B
compounds
C
bases
D
salts
3) The substance being dissolved in a solutions is known as the
A
solute
B
solvent
C
acid
D
suspension
4) The reaction between an acid and a base is called
A
an ionic bond
B
combustion
C
neutralization
D
a covalent bond
5) If the pH of an acid solution and a basic solution were checked
A
both would be above 7
B
the acid solution would be above 7 and the basic solution would be below 7
C
both would be below 7
D
the acid solution would be below 7 and the basic solution would be above 7
6) Litmus paper turns red in
A
neutral solutions
B
both acidic and basic solutions
C
basic solutions
D
acidic solutions
7) A substance has a pH of 5, what color would it be if bromothymol blue was added?
A
purple
B
blue
C
red
D
yellow
8) Which of the following describes acids?
A
slippery
B
pink in phenolphthalein
C
sour tasting
D
produces hydroxide ions in solutions
9) Which of the following does NOT describe bases?
A
slippery
B
low pH
C
blue in bromothymol blue
D
bitter tasting
10) Substance A has a pH of 3 and Substance B has a pH of 1. Which substance is more acidic and how many times more acidic is that substance?
A
substance A, 100 times
B
substance B, 10 times
C
substance A, 10 times
D
substance B, 100 times
*select an answer for all questions
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