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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
salt
B
acid
C
base
D
element
2) Excess hydrogen ions are produced in solution by
A
salts
B
bases
C
acids
D
compounds
3) The substance being dissolved in a solutions is known as the
A
acid
B
suspension
C
solvent
D
solute
4) The reaction between an acid and a base is called
A
a covalent bond
B
an ionic bond
C
neutralization
D
combustion
5) If the pH of an acid solution and a basic solution were checked
A
the acid solution would be below 7 and the basic solution would be above 7
B
both would be below 7
C
the acid solution would be above 7 and the basic solution would be below 7
D
both would be above 7
6) Litmus paper turns red in
A
basic solutions
B
both acidic and basic solutions
C
neutral solutions
D
acidic solutions
7) A substance has a pH of 5, what color would it be if bromothymol blue was added?
A
blue
B
red
C
yellow
D
purple
8) Which of the following describes acids?
A
produces hydroxide ions in solutions
B
pink in phenolphthalein
C
sour tasting
D
slippery
9) Which of the following does NOT describe bases?
A
low pH
B
slippery
C
bitter tasting
D
blue in bromothymol blue
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 B, 10 times
B
substance A, 100 times
C
substance A, 10 times
D
substance B, 100 times
*select an answer for all questions
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