
Catalysts and Reactions in Chemistry
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Jackson Turner
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the products formed when hydrogen peroxide decomposes?
Hydrogen and water
Water and carbon dioxide
Hydrogen and oxygen
Water and oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of catalase in the decomposition of hydrogen peroxide?
It is a product of the reaction
It acts as a reactant
It speeds up the reaction without being consumed
It slows down the reaction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when hydrogen peroxide is applied to a cut on the skin?
It forms oxygen bubbles
It forms water
It forms hydrogen gas
It forms carbon dioxide
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is potassium iodide written above the yield sign in the reaction equation?
Because it is a reactant
Because it is a product
Because it is a catalyst and not consumed
Because it is an inhibitor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about catalysts in chemical reactions?
They are consumed in the reaction
They are always reactants
They are always products
They speed up reactions without being consumed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which compound is mentioned as another catalyst for the decomposition of hydrogen peroxide?
Sulfuric acid
Calcium carbonate
Manganese dioxide
Sodium chloride
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a catalyst in a chemical reaction?
To increase the amount of reactants
To decrease the amount of products
To change the reaction products
To increase the reaction rate
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