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Chapter 7 Chemical Reactions

Authored by Brittany Lund

Chemistry

9th - 12th Grade

NGSS covered

Used 28+ times

Chapter 7 Chemical Reactions
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

substance that speeds up a chemical reaction but is not used up itself or permanently changed.

enzyme

catalyst

activation energy

chemical reaction

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

shorthand form for writing what reactants are used and what products are formed in a chemical reaction; sometimes shows whether energy is produced or absorbed.

product

rate of reaction

Chemical equation

reactant

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

process that produces chemical change, resulting in new substances that have properties different from those of the original substances.

Chemical equation

Endothermic reaction

Exothermic reaction

Chemical reaction

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

chemical reaction in which heat energy is absorbed.

exothermic reaction

endothermic reaction

chemical reaction

inhibitor

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

catalysts that are large protein molecules which speed up reactions needed for your cells to work properly.

rate of reaction

inhibitor

enzyme

catalyst

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

chemical reaction in which heat energy is released.

activation energy

catalyst

endothermic reaction

exothermic reaction

Tags

NGSS.HS-PS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

substance that forms as a result of a chemical reaction.

chemical reaction

product

reactant

chemical equation

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