Types of Reactions
Balancing Equations and Checking Charges
Synthesis and Decomposition
Single and Double Replacement
Combustion
100

Which type of reaction is shown below:

A + B --> AB 

Synthesis/Combination

100

Balance this equation:

Mg + O2 --> MgO 

2Mg + O2 --> 2MgO

100

Is the following equation synthesis or decomposition?

Na3N →

Decomposition

100

Organize the metals below from most activity to least activity. 

Platinum, Copper, Barium, Lithium, Iron, Hydrogen

Lithium, Barium, Iron, Hydrogen, Copper, Platinum 

100

True or False: In order for a reaction to be considered a combustion reaction, water (H2O) must be in the reactants. 

False. It must contain oxygen gas as a reactant. 

200

Which type of reaction is shown below:

AB --> A + B 

Decomposition

200

Check the charges and write the correct compound. 

Al + O2 --> 

Al2O3

200

Predict the product(s) then balance.

Na3N →

2Na3N → 6Na + N2

200

True or false: In order for a double replacement reaction to have occurred, at least one of the products must be a solid, gas, or molecular compound like water 

True

200

If there is a carbon and hydrogen molecule in the reactants of a combustion reaction, what will the products always be? 

H2O and CO2 

300

Which type of reaction is shown below:

A + O2 --> AxOy

Combustion

300

Balance this equation:

P4 + O2 --> P2O3

P4 + 3O2 --> 2P2O3

300

Predict the product(s) then balance.

MgF2 --> 

MgF2 --> Mg + F2

300

If a double replacement reaction has CaBr2 and NaOH as products, did the reaction occur? 

No. The products are both aqueous. 

300

Predict the products then balance. 

CH4 + O2 → 

CH4 + 2O2 → CO2 + 2H2O

400

Which type of reaction is shown below:

A + BC → AC + B

Single Replacement

400

Check the charges and write the correct compound:

Ba + N2 --> 

Ba3N2

400

Predict the product(s) then balance. 

Ca + N2

3Ca + N2 → Ca3N2

400

Predict the products then balance.

Al + CuCl2 --> 

2Al + 3CuCl2 --> 3Cu + 2AlCl3

400

Predict the products then balance.

Ga + O2 --> 

4Ga + 3O2 --> 2Ga2O3
500

Which type of reaction is shown below:

AB + CD  → AD + CB

Double Replacement

500

Check the charges and write the correct compound:

copper (III) sulfate

Cu2(SO4)3

500

Predict the product(s) then balance.

Al + Br2  →

2Al + 3Br2  → 2AlBr3

500

Predict the products, predict the states of matter, balance the equation, then state if the reaction occurs. 

Mg(NO3)2 (aq) + LiOH (aq) -->

Mg(NO3)2 (aq) + 2LiOH (aq) --> Mg(OH)(s) + 2LiNO(aq) 

Yes, a reaction occurred. 

500

Predict the products then balance.

C2H4 + O2  -->

C2H4 + 3O2  --> 2H2O + 2CO2

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