WorksheetsModule 22 - Acids, Bases, and Salts
Total questions: 20
Worksheet time: 10mins
Which of the following are characteristics of ACIDS? Select all that apply.
H3O+
feels slippery
sour taste
can cause burns
bitter taste
Which of the following are characteristics of BASES? Select all that apply.
OH-
feels slippery
sour taste
can cause burns
bitter taste
Which of the following are characteristics that both, ACIDS and BASES share? Select all that apply.
OH-
feels slippery
can cause litmus paper to change color
can cause burns
bitter taste
Which of these solutions contains a weak acid?
W
X
Y
Z
Which of the following best describes the parts of a soap molecule?
sulfonic acid group salt attached to a nonpolar carbon chain
hydronium ion attached to a nonpolar carbon chain
carboxylic acid salt attached to a nonpolar carbon chain
water attached to a nonpolar carbon chain
Which substance might you use to titrate an oxalic acid solution?
Ca(NO3)2
NaOH
NH4Cl
HBr
A(n) _____ is a substance that produces hydrogen ions in solution.
indicator
salt
acid
base
Which of the following chemical formulas represents a base?
Ca(OH)2
CH2COOH
HCl
H2SO4
When a salt forms in an acid-base reaction, the _____ contributes the positive ion to the salt, and the _____ contributes the negative ion to the salt.
indicator, acid
base, salt
acid, base
base, acid
Which of the following gives the pH of a concentrated solution made by dissolving table salt (NaCl) in pure water?
2
5
7
10
Which of the following could be a solution of hydrogen chloride in water?
W
X
Y
Z
Which solution has the lowest concentration of hydrogen ions?
W
X
Y
Z
Solutions of HCl and CH3OOH that have equal concentrations will also have equal pHs.
true
false
An unknown substance in solution has sour taste, reacts with metals, and makes litmus paper turn red. The substance is most likely
a base
a salt
an indicator
an acid
The ___ measures the concentration of hydronium ions in solution. Solutions with values lower than 7 are acidic, while solutions with values higher than 7 are basic.
a base
pH
an indicator
an acid
Which chemical formula below describes a hydronium ion?
H2O
-COOH
OH–
H3O+
Which chemical formula below describes a hydroxide ion?
H2O
-COOH
OH–
H3O+
Identify the salts in the following list. Select all that apply.
MgSO4
NaOH
NaCl
H2SO4
KBr
At the instant of neutralization, what is in the beaker besides water?
equal amounts of acid and base
acid only
base only
salt only
Identify the salts in the following list. Select all that apply.
NaOH
CaCO3
HCl
KBr
H2SO4
