Types of Chemical Reactions

What reaction has the following general formula: A + CD --> C + AD?

What reaction has the following general formula: AB --> A + B?

What reaction has the following general formula: A + B --> AB?

What reaction has the following general formula: $$C_xH_y + O_2 -> CO_2 + H_2O$$ ?

What type of reaction is the following: $$Zn + 2HCl -> ZnCl_2 + H_2$$ ? Options: Combination, Decomposition, Single Replacement, Double Replacement, Combustion.

What type of reaction is the following: $$2NaHCO_3->\ Na_2CO_3+CO_2+H_2O$$ ?

What type of reaction is the following: $$C_{11}H_{24}+17O_2->\ 11CO_2\ +\ 12H_2O$$ ?

What type of reaction is this?
PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl
Options: Synthesis, Decomposition, Single Replacement, Double Replacement

What type of reaction is NH₃ + HCl  → NH₄Cl? Options: Synthesis, Decomposition, Single Replacement, Double Replacement

What type of chemical reaction is this?
Al(OH)₃ → Al₂O₃  + H₂O