Chemical Reactions Quiz

What type of reaction is CH₄ + O₂ → CO₂ + H₂O?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

What type of reaction is 2 HgO → 2 Hg + O₂?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

What type of reaction is Zn + CuCl₂ → ZnCl₂ + Cu?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

What type of reaction is K2SO4 + Ba(NO3)2 -> 2 KNO3 + BaSO4?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

What type of reaction is 2 H2 + O2 -> 2 H2O?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

Which of the following is a balanced chemical equation?

• C6H12O6 + 12 O2 -> 6 CO2 + 6 H2O

• C6H12O6 + 6 O2 -> 6 CO2 + 6 H2O

What are the correct coefficients to balance this equation? C3H8 + ___ O2 -> ___ CO2 + ___ H2O

What are the correct coefficients to balance this equation? Na3PO4 + ___ Fe2O3 -> ___ Na2O + ___ FePO4

What are the correct coefficients to balance this equation? P4 + ___ O2 -> ___ P4O10

Liquid nitrogen has a boiling point of -196°C. This corresponds to ___.

• -469 K

• 77 K

• 153 K

• 469 K