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Unit 11 Level 1(H)
By Kristina Thibodeaux
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Last updated 2 months ago
12 questions
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Question 1
1.
Which reaction is a neutralization reaction?
Acid + Acid --> Salt + Water
Acid + Water --> Salt + Base
Base + Base --> Salt + Water
Acid + Base --> Salt + Water
Question 2
2.
What happens to the pH level in a neutralization?
It becomes acidic
It remains the same
It becomes basic
It moves closer to 7
Question 3
3.
Which substance donates H+ ions in a solution?
Acid
Salt
Base
Neutral
Question 4
4.
What is the pH value of an acid?
Above 14
8-14
0-6
7
Question 5
5.
What is the correct set for
NH
3
+
H
2
O
⇋
NH
4
+
+
OH-
base, acid, base, acid
base, acid, acid, base
acid, base, acid, base
acid, base, base, acid
Question 6
6.
What is the pH of a solution with [H+] concentration of 1x10
-8
M?
6
4
10
8
Question 7
7.
What is the pH of 0.02 mol of NH
3
in 0.5 L of solution?
1
0.3
1.4
1.7
Question 8
8.
If [H
3
O+] < [OH-]
pH > 7
pH = 7
pH < 7
Question 9
9.
Which of the following represents an acidic solution
pH = 7
pOH = 9
pH = 10
pOH = 3
Question 10
10.
What is the conjugate base of HCl?
H
2
O
OH-
Cl-
HCl
2
Question 11
11.
Identify the conjugate acid-base pair.
CO
3
-2
/HCO
3
-
H
2
CO
3
/ HCO
3
-
H
3
CO
3
/ OH-
H
2
O / H
3
O+
Question 12
12.
Find the conjugate base in H
2
SO
4
.
HSO
3
-
HSO
4
-
SO
3
2-
H
2
O
2