Chemistry Spring 2025 Final Question Pool
Authored by WILLIAM KUSSMAUL
Science
9th - 12th Grade
NGSS covered
Used 8+ times
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101 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Identify any incorrect names.
Calcium (II) oxide
Aluminum oxide
Ammonium peroxide
Monosulfur dioxide
Tetraiodide nonoxide
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Identify formulas that are written incorrectly.
Na2(C2O4)
Mg(NH4)2
SnCr2O7
CaCO3
AlCl3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes a compound an acid?
When the compound is dissolved in water, it produces hydrogen ions.
When the compound is dissolved in water, it produces hydroxide ions.
It is soluble in water.
When the compound is dissolved in water, it produces an equal number of hydrogen and hydroxide ions.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes a compound a base?
When the compound is dissolved in water, it produces hydrogen ions.
When the compound is dissolved in water, it produces hydroxide ions.
It is soluble in water.
When the compound is dissolved in water, it produces an equal number of hydrogen and hydroxide ions.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two compounds that contain copper and chlorine have the following masses: Compound A: 32.10 g of Cu and 17.90 g of Cl Compound B: 23.64 g of Cu and 26.37 g of Cl. Are the compounds the same (meaning both would have the same chemical formula)? If not, what is the lowest whole-number mass ratio of copper that combines with a given mass of chlorine?
Yes, they are the same compounds.
No, they are not; it is a rough 2:1 ratio.
No, they are not; it is a rough 1:2 ratio.
No, they are not; it is a rough 8:5 ratio.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nitrous oxide, known as laughing gas, is used as an anesthetic in dentistry. The mass ratio of nitrogen to oxygen is 7:4 for nitrous oxide. A 68-gram sample of a compound composed of nitrogen and oxygen contains 42 g of nitrogen. Is the sample nitrous oxide?
No, the sample's ratio of nitrogen to oxygen is 21:13.
No, the sample's ratio of nitrogen to oxygen is 13:26.
Yes, the sample's ratio of nitrogen to oxygen is 7:4.
Yes, the sample's ratio of nitrogen to oxygen is 4:7.
Tags
NGSS.HS-PS1-7
7.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Name BaO
(a)
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