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Chemical Reactions and Equations Quiz #1

Authored by Jeremy Jorgensen

Physics, Chemistry

5th - 9th Grade

NGSS covered

Used 29+ times

Chemical Reactions and Equations Quiz #1
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13 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a scientist mixed two chemicals, an exothermic reaction takes place. Which of the following would be proof that the reaction was exothermic?

a change of color
a change of state
a temperature decrease
a temperature increase

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What types of reactions absorb and release heat?

acidic and basic
endothermic and exothermic
endothermic and heat transfusion
covalent and ionic

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is a chemical change?

water freezes to form ice
sugar dissolves in water
gasoline burns in a car engine
a piece of metal expands when it is heated

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A change in the shape of an object is an example of _________________.

a chemical change
energy
an endothermic change
a physical change

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What type of change occurs when a new substance is formed that has different properties from the original substances?

chemical change
nuclear change
physical change
mutation

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is an example of a physical change?

souring milk
mixing baking soda and vinegar
rusting metal
mixing oil and vinegar

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following is a chemical change?

the rusting of iron
dissolving salt in water
melting an ice cube
bending a copper wire

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