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WorksheetsAcid Base Test Practice
Total questions: 34
Worksheet time: 1hrs 18mins
When acid and base react with each other.what compound are formed?
Water only
Metal oxide only
Salt and water
All the above
The PH of lemon juice will be
More than 7
Less than 7
Equal 7
None of these
According to Bronsted-Lowry, what does an acid do?
It donates a proton (H+).
It accepts a proton (H+)
It produces H+ in water.
It produces OH- in water.
Click on the conjugate acid.
According to Bronsted-Lowry, what does an acid do?
It donates a proton (H+).
It accepts a proton (H+)
It produces H+ in water.
It produces OH- in water.
Label the acid, base, conjugate acid and conjugate base.
What is an Arrhenius base?
A substance that produces H+ ion in water
A substance that produces OH- ion in water.
A substance that produces OH+ ion in water
A substance that produces H- ion in water.
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
Which of the following are properties of acids?
They conduct electricity when dissolved in water
They taste sour
They react with metals to produce hydrogen gas
All of the answer choices are correct
Neutral solutions have a pH of:
0
1
7
14
Which solution would turn litmus red?
Potassium hydroxide
KOH
Sodium chloride
NaCl
Nitric Acid
HNO3
Ammonia
NH3
What always happens at the end point
volume of acid = volume of base
The color of the solution changes
moles of acid = moles of base
it turns pink
In the following chemical equation, which compound is the acid?
HCl + NH3 → NH4+ + Cl−
HCl
NH3
NH4+
Cl−
NaOH is a strong base.
What is the pH of a 0.01 M NaOH soltuion?
2
9
12
14
The pH of a solution is 8.43. What is the hydrogen ion H+ concentration?
3.7 x 10-9 M
2.7 x 10-6 M
1.0 x 10-8.43 M
1.0 x 10-14
If the [OH-] of a solution is 2.7 x 10-4 M, the pOH of the solution is
10.44
3.56
1.00
-4.43
If the [H+] of a solution is 6.8 x 10-9 M, the pH is
8.17
5.73
9.99
8.62
if the [H+] of a solution is 8.4 x 10-3 M, the pOH of the solution will be
2.08
11.92
1.02
12.98
Limes have a [H+] of 1.3 x 10-2 M. Their pOH is
1.89
12.11
1.03
12.97
What is the pOH of a solution where the [OH-] is 7.3 x 10-2 M?
-1.14
1.14
2.01
11.99
Find the pH of a solution with [OH-] = 8.41 x 10-4.
3.08
10.92
9.88
11.23
Oranges have a [H3O+] of 1.7 x 10-2 M. Their pOH is
1.77
12.23
10.91
3.09
What is the role of an indicator in a reaction?
To help reactants react successfully.
To bind to the analyte to form a products.
To show when the reaction has reached or past the equivalence point.
To provide a surface for the reaction to occur.
What is an equivalence point?
It is the point when enough analyte has been added.
It is the point when the amount of added titrant is equal to the amount of analyte in the solution.
It is the point when the volume of titrant is equivalent the volume of analyte.
It is the point when the concentration of titrant added is equivalent to the volume of analyte.
Which point on the titration curve corresponds to the point at which the moles of the added strong base are equal to the moles of the weak acid initially present?
Q
R
S
T
If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of the HCl? (record you answer with the correct unit)
0.043 M
0.034 M
0.065 M
0.77 M
A 25.0 mL sample of HCl was titrated to the endpoint with 15.0 mL of 2.0 M NaOH. What is the molarity of HCl?
1.6 M HCl
0.03 M HCl
0.6 M HCl
1.2 M HCl
If it takes 25 mL of 0.05 M HCl to neutralize 345 mL of NaOH solution, what is the concentration of the NaOH solution?
0.0036 M NaOH
0.00125 M NaOH
3.62 M NaOH
1.25 M NaOH
If the [OH-] of a solution is 3.6 x 10-11 M, the pH of the solution is
10.44
1.00
3.57
-4.43
none are correct
The pOH of a solution is 8.43. What is the [H+]concentration?
3.7 x 10 -9
1.0 x 10-8.43
2.7 x 10-6
1.0 x 10-14
none are correct
