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Chemical Reactions Test

Authored by Amber Butte

Science

7th Grade

Chemical Reactions Test
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a new substance forms as a result of a chemical reaction, what type of change has occurred?

Chemical Change

Physical Change

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is NOT an indication of a chemical change?

Temperature Change

Shape Change

Formation of a precipitate

Production of light

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the left part of a chemical equation called?

2H2 + O2 --> 2H2O

Reactants

Yields

Products

Chemical Equation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the right part of a chemical equation called...

2H2 + O2 --> 2H2O

Reactants

Yields

Products

Chemical Equation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False

In a chemical reaction, no new atoms are created, and no atoms are destroyed.

TRUE

FALSE

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many total atoms are in this compound? Al2O3

2

5

6

3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Is a copper penny turning greenish after a few years a chemical or physical change?

Chemical Change

Physical Change

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