

Understanding Auto-Ionization, Concentration, and pH
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Evelyn Hayes
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What ions are formed when water undergoes auto-ionization?
Ammonium and nitrate ions
Carbonate and bicarbonate ions
Sodium and chloride ions
Hydronium and hydroxide ions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molarity of hydrogen ions in pure water at 25 degrees Celsius?
1 x 10^-9 M
1 x 10^-5 M
1 x 10^-7 M
1 x 10^-3 M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which solution has a higher hydrogen ion concentration than pure water?
Bleach
Orange juice
Seawater
Distilled water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of a solution with a hydrogen ion concentration of 1 x 10^-4 M?
12
7
4
10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a pH of 7 indicate about a solution?
It is basic
It is alkaline
It is acidic
It is neutral
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the pH scale categorize a solution with a pH below 7?
Neutral
Acidic
Alkaline
Basic
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the hydrogen ion concentration as you move to the right on the pH scale?
It decreases
It increases
It fluctuates
It remains constant
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