More types of CHEMICAL REACTIONS!

Okay, so on wednesday, we had a sub again.. and she gave us a page of notes on the last three chemical reactions:

Double Replacement:

 - a reaction between two ionic compounds

Gerneral Formula: AB + CD --> CB + AD

     ex: Na2CO3 + CaCO3--> CaCO3 + 2NaCl

Combustion:

     - a reaction where buring in air is involved

General Formula: AB + O2 --> AO + BO

     ex: C4H8 + 6O2 --> 4CO2 + 4H2O

Neutralization:
     - a special double replacement reaction wehre acids react with bases to produce water and an ionic salt
       as products
General Formula: HA + BOH --> H2O + BA
     ex: 2HBr + Sr(OH)2 --> SRBr2 + 2 H2O

Here are some videos to help understand the above 3 chemical reactions:
Double Replacement : http://www.youtube.com/watch?v=eck_s_J6nKo
Combustion: http://www.youtube.com/watch?v=oeQTFpuC5Jc
Neutralization: http://www.youtube.com/watch?v=gRKS4BkuYEA