What are the products formed when calcium hydroxide decomposes?

Balancing Chemical Equations Concepts

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Chemistry
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9th - 10th Grade
•
Hard

Liam Anderson
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcium oxide and water
Calcium carbonate and water
Calcium sulfate and hydrogen
Calcium chloride and oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are present on the reactant side of the equation?
Four
Three
Two
One
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the subscript '2' in Ca(OH)2 indicate?
It applies to calcium
It applies only to oxygen
It applies only to hydrogen
It applies to both oxygen and hydrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are present on the product side of the equation?
Two
One
Three
Four
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common mistake when balancing this equation?
Ignoring the water molecule
Not applying the subscript to all elements in parentheses
Counting extra hydrogen atoms
Forgetting to count calcium atoms
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you ensure when counting oxygen atoms on the product side?
Count both oxygen atoms from calcium oxide and water
Ignore the oxygen in water
Count only the oxygen in water
Count only the oxygen in calcium oxide
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