What is the role of a catalyst in a chemical reaction?
Elephant's Toothpaste

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Science, Chemistry, Physics
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6th - 12th Grade
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Hard
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
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3 mins • 1 pt
Describe the process of the experiment involving hydrogen peroxide and potassium iodide.
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3.
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3 mins • 1 pt
What are the products of the breakdown of hydrogen peroxide?
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4.
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3 mins • 1 pt
Explain the significance of the food coloring and detergent in the experiment.
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5.
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3 mins • 1 pt
What happens to the activation energy when a catalyst is added?
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6.
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3 mins • 1 pt
What visual effect is created when the foam from the reaction comes into contact with food coloring?
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7.
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3 mins • 1 pt
How do catalytic converters in modern cars help reduce harmful emissions?
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