Writing Skeleton Equations
9th - 12th Grade
•16 Qs
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Writing Skeleton Equations
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
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16 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
"When heated, solid mercury(II) oxide decomposes into mercury liquid and oxygen gas." What is/are the reactant(s)?
mercury(II) oxide
mercury liquid
oxygen gas
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
"When heated, solid mercury(II) oxide decomposes into mercury liquid and oxygen gas." What is/are the product(s)?
mercury(II) oxide
mercury liquid
oxygen gas
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
"When heated, solid mercury(II) oxide decomposes into mercury liquid and oxygen gas." What is the correct formula and physical state for mercury(II) oxide?
Hg2O (s)
HgO (l)
HgO (s)
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
"When heated, solid mercury(II) oxide decomposes into mercury liquid and oxygen gas." What is the correct formula and physical state for the mercury and oxygen products?
Hg (l) + O2 (g)
Hg (s) + O2 (g)
Hg2 (l) + O (g)
Hg (l) + O (g)
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
"When heated, solid mercury(II) oxide decomposes into mercury liquid and oxygen gas." What is the correct skelton equation for this reaction?
Hg (l) + O2 (g) --> Hg2O (s)
Hg2O (s) --> Hg (l) + O (g)
HgO (s) --> Hg (l) + O2 (g)
Tags
NGSS.HS-PS1-2
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
"Water and sulfur trioxide vapor combine to form sulfuric acid (or hydrogen sulfate solution)." What is/are the reactant(s)?
water
sulfur
sulfur trioxide
hydrogen sulfate
Tags
NGSS.HS-PS1-1
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
"Water and sulfur trioxide vapor combine to form sulfuric acid (or hydrogen sulfate solution)." What is/are the product(s)?
water
sulfur
sulfur trioxide
hydrogen sulfate
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