Chem U7/8 TEST
Authored by Tonya Culler
Chemistry
9th - 12th Grade
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A student conducts an experiment to identify the pH of some common household substances. The data is recorded in this table.
Which substance would be classified as containing the highest concentration of hydroxide ions?
ammonia
lemon juice
drain cleaner
vinegar
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
An acid-base titration is represented by the chemical equation below.
CsOH (aq) + HBr (aq) → CsBr (aq) + H2O (l)
In the titration, 15.0 mL of CsOH solution is neutralized by 38.2 mL of 0.250 M HBr solution. What is the molarity of the CsOH solution?
0.0982M
10.2M
1.36M
0.637M
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A student describes a liquid as feeling slippery. The student places red litmus paper into the liquid, and the paper turns blue. What can the student conclude from these observations?
The substance is likely an acid.
The substance is likely a metal.
The substance is likely a nonmetal.
The substance is likely a base.
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A solution has a pOH of 12. Which best describes the solution?
It has a pH of 12 and is an acid.
It has a pH of 2 and is an acid.
It has a pH of 12 and is a base.
It has a pH of 2 and is a base.
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What volume of 0.200M HCl will neutralize 10.0mL of 0.400M KOH?
40.0 mL
20.0 mL
8.00 mL
5.00 mL
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Given the data table below, which substance is an acid?
Substance W
Substance Y
Substance Z
Substance X
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Based on hydroxide ion concentration, which unknown substance would be an acid?
Substance D, [OH-] = 1.0 x 10-8 M
Substance C, [OH-] = 1.0 x 10-6 M
Substance B, [OH-] = 1.0 x 10-4 M
Substance A,[OH-] = 1.0 x 10-2 M
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