chemical reaction

chemical reaction

7th Grade

8 Qs

quiz-placeholder

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chemical reaction

chemical reaction

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Rebecca Robinson

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The amount of force applied per unit of area

pressure

precipitate

inhibitor

catalyst

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A material that decreases the rate of reaction

catalyst

inhibitor

exothermic reaction

endothermic

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A reaction that releases energy in the form of heat

exothermic reaction

endothermic reaction

concentration

activation energy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A reaction that absorbs energy in the form of heat

endothermic reaction

exothermic reaction

catalyst

enzyme

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the minimum amount of energy needed to get a chemical reaction started

enzyme

endothermic reaction

activation energy

concentration

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a solid that forms from a single solution during a chemical reaction

precipitate

concentration

inhibitor

catalyst

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the amount of one material in a certain volume of another material

concentration

catalyst

precipitate

enzyme

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a material that increases the rate of reaction below the activation energy

catalyst

inhibitor

concentration

enzyme