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Chapter 12 Review (Part 3)

Science

8th Grade

Used 10+ times

Chapter 12 Review (Part 3)
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Joe watched as two compounds reacted and changed into two different compounds. He determined the reaction that he observed was a __________ reaction.

synthesis

decomposition

double replacement

single replacement

combustion

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carter conducted an experiment in which he started with one element and one compound and ended up with a different element and a different compound. He classified this reaction as a __________ reaction.

synthesis

decomposition

double replacement

single replacement

combustion

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Haleigh observed an experiment in which one compound underwent a chemical reaction that produced two compound. She classified this as a _________ reaction.

synthesis

decomposition

double replacement

single replacement

combustion

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a substance combines with O2 and releases energy, carbon dioxide, and water, a __________ reaction has occurred.

synthesis

decomposition

double replacement

single replacement

combustion

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 C6H12 + 9 O2 > 6CO2 + 6 H2OC_6H_{12}\ +\ 9\ O_{2\ }->\ 6CO_2\ +\ 6\ H_2O  

synthesis 

decompostition 

double replacement 

single replacement 

combustion

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 CaCO3 > CaO +CO2CaCO_3\ ->\ CaO\ +CO_2  

synthesis 

decomposition

double replacement 

single replacement 

combustion

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 MgCl2 + Li2CO3 > MgCO3 + 2LiClMgCl_2\ +\ Li_2CO_3\ ->\ MgCO_3\ +\ 2LiCl  

synthisis 

decomposition

double replacement 

single replacement

combustion

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