Chemical Reactions and Enzymes
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Assessment
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Casey House
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Biology
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9th - 12th Grade
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2K plays
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Medium
Student preview
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12 questions
Show answers
1.
Multiple Choice
A process that changes one set of chemicals into a new set of chemicals.
chemical reaction
physical reaction
synthetic reaction
chemical production
2.
Multiple Choice
____ are the elements and compounds that go into a reaction.
Reactants
Products
Molecules
Ingredients
3.
Multiple Choice
___ are the elements and compounds that are created by a reaction.
Products
Reactants
Molecules
Ingredients
4.
Multiple Choice
The energy needed to start a reaction is called the
activation energy
starting energy
promoting energy
reacting energy
5.
Multiple Choice
A catalyst is an enzyme that
A) speeds up the rate of a reaction.
B) reduces the amount of energy needed for a reaction to start.
Both A and B are correct
Neither A nor B are correct
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