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Unit 4 Quiz #3 Practice: Acids & Bases
By Wendy Svatek
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Last updated 18 days ago
15 questions
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Question 1
1.
Substances showing color change in the presence of an acid or base are called...
neutralizers
reactants
catalysts
indicators
metals
Question 2
2.
What is the approximate pH of a strong acid?
1
5
7
9
13
15
Question 3
3.
A piece of metal is added to a clear, colorless liquid causing hydrogen gas [H
2
Â] to form. The liquid is most likely...
base
salt water
acid
water
Question 4
4.
CHOOSE ALL THAT APPLY.
Which of the following are properties of
bases
?
examples include soap, baking soda, eggs, and bleach (even unsweetened chocolate!)
examples include carbon dioxide gas, tomatoes, vinegar, milk, and grapefruit
donate H+ ions when dissolved in water
burn when touched
donate OH- ions when dissolved in water
bitter taste
react with metals to form hydrogen gas
slippery when touched
dissolve fats and oils
Question 5
5.
Name an indicator you would use for a positive (definitive) identification of NaOH.
Phenol red
Sodium Bicarbonate
Phenolphthalein
Blue litmus paper
Question 6
6.
Name an indicator you would use for a positive (definitive) identification of HNO
3
.
Phenol red
Phenolphthalein
Red litmus paper
Sodium Bicarbonate
Question 7
7.
Which of the following equations represents a
balanced
neutralization
reaction?
Fe + 2HCl → FeCl
2
+ H
2
Cu + H
2
SO
4
→ CuSO
4
+ H
2
Fe(OH)
3
+ 3HNO
3
→ 3H
2
O + Fe(NO
3
)
3
K
2
SO
4
+ Ba(OH)
2
→ 2 KOH + BaSO
4
H
2
CO
3
+ LiOH → Li
2
CO
3
+ H
2
O
Question 8
8.
Which of the following best describes a strong base?
a substance with equal number of hydrogen and hydroxide ions
a substance with slightly more hydroxide ions than hydrogen ions
a substance with slightly more hydrogen ions than hydroxide ions
a substance with many more hydroxide ions than hydrogen ions
a substance with many more hydrogen ions than hydroxide ions
Question 9
9.
Classify each as either an acid, a base or a salt.
Barium Chloride
Baking soda
HCl
Na
2
SO
4
NH
4
OH
HF
H
2
SO
4
NaOH
Soap
Lithium Bromide
Vinegar
NaCl
ACID
BASE
SALT
Question 10
10.
Complete the following equations (predict the
products and balance
) and identify the name/type of each reaction:
visibility
View drawing
11
12
13
14
15
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Question 11
11.
What is the pH of soution A?
3
4
7
8
11
Question 12
12.
What is the pH of soution B?
3
4
7
8
11
Question 13
13.
What is the pH of soution C?
3
4
7
8
11
Question 14
14.
What is the pH of soution D?
3
4
7
8
11
Question 15
15.
What is the pH of soution E?
3
4
7
8
11