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Classifying Chemical Reactions

Last updated over 5 years ago

15 questions

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Classifying Chemical Reactions 

Choose the correct type of reaction(s) 

Question 1

1.

What type of reaction is this and how do you know?

CaCO3 → CaO + CO2

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

What type of reaction is this and how do you know?

Cu + 2AgNO3 → 2Ag + Cu(NO3 )2

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

What type of reaction(s) are used above? How do you know?

2H2 + O2 → 2H2O

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

2K + 2H2O → H2 + 2KOH

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

CaCO3 + 2HCl → CaCl2 + H2CO3

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

2KClO3 → 2KCl + 3O2

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

Ca + 2HCl → CaCl2 + H2

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

2SO2 + O2 → 2SO3

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

Pb(NO3 )2 + 2HCl → PbCl2 + 2NHO3

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

2Na + Cl2 → 2NaCl

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

CH4 + 2O2 → CO2 + 2H2O

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

Pb(NO3 )2 + 2KI → PbI2 + 2KNO3

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

2Fe + O2 → 2FeO

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion

Zn + 2HCl → H2 + ZnCl2

Synthesis 

Decomposition

Single Replacement

Double Replacement

Combustion