TYPE Chemical Reactions Quiz

What type of reaction occurs when two or more substances combine to form a single compound?

• Decomposition

• Single Displacement

• Synthesis/Combination

• Double Displacement

The general form of a synthesis reaction is:

• AB → A + B

• A + B → AB

• A + BC → AC + B

• AB + CD → AD + CB

Which of the following is an example of a synthesis reaction?

• 2NaCl → 2Na + Cl₂

• CH₄ + 2O₂ → CO₂ + 2H₂O

• 2Na + Cl₂ → 2NaCl

• Zn + CuSO₄ → ZnSO₄ + Cu

What type of reaction involves a single compound breaking down into simpler substances?

• Synthesis

• Decomposition

• Combustion

• Single Displacement

In a single displacement reaction, what occurs?

• Two compounds exchange ions.

• A compound breaks down into simpler substances.

• One element replaces another element in a compound.

• Two or more substances combine.

What type of reaction involves the exchange of ions between two compounds?

• Synthesis

• Decomposition

• Single Displacement

• Double Displacement

What are the products of a complete combustion of a hydrocarbon?

• Carbon monoxide and water

• Carbon dioxide and hydrogen

• Carbon dioxide and water

• Carbon and water

What is required for a combustion reaction to occur?

• A single compound

• A fuel and an oxidant

• Two elements

• Two compounds

Which of the following is a combustion reaction?

• NH₃ + HCl → NH₄Cl

• CH₄ + 2O₂ → CO₂ + 2H₂O

• 2NaCl → 2Na + Cl₂

• Zn + CuSO₄ → ZnSO₄ + Cu

What is a common oxidant in combustion reactions?

• Nitrogen

• Carbon dioxide

• Oxygen

• Hydrogen