Chemical Equations & Reactions Test

Balance the following chemical equation and choose the correct coefficients below.

Na₃PO₄ + KOH → NaOH + K₃PO₄

• 1, 1 --> 3, 2

• 1, 2 --> 2, 1

• 1, 3 --> 3, 1

• 2, 3 --> 3, 1

What type of reaction is shown below?

Na₃PO₄ + KOH → NaOH + K₃PO₄

• Single replacement

• Synthesis

• Decomposition

• Double replacement

• Combustion

Balance the following chemical equation and choose the correct coefficients below.

C₆H₁₂ + O₂ → CO₂ + H₂O

• 1, 9 --> 6, 6

• 2, 6 --> 9, 3

• 1, 9 --> 3, 1

• 3, 6 --> 9, 1

What type of reaction is shown below?

C₆H₁₂ + O₂ → CO₂ + H₂O

• Single replacement

• Synthesis

• Decomposition

• Double replacement

• Combustion

Balance the following chemical equation and choose the correct coefficients below.

Pb + FeSO₄ → PbSO₄ + Fe

• 1, 1 --> 1, 1

• 2, 1 --> 1, 3

• 1, 1 --> 3, 1

• 3, 1 --> 2, 1

What type of reaction is shown below?

Pb + FeSO₄ → PbSO₄ + Fe

• Single replacement

• Synthesis

• Decomposition

• Double replacement

• Combustion

Balance the following chemical equation and choose the correct coefficients below.

P₄ + O₂ → P₂O₃

• 1, 2 --> 2

• 2, 1 --> 1

• 1, 1 --> 3

• 1, 3 --> 2

What type of reaction is shown below?

P₄ + O₂ → P₂O₃

• Single replacement

• Synthesis

• Decomposition

• Double replacement

• Combustion

Balance the following chemical equation and choose the correct coefficients below.

NO₂ → O₂ + N₂

• 2 --> 2, 1

• 2 --> 1, 1

• 1 --> 2, 2

• 1 --> 2, 3

What type of reaction is shown below?

NO₂ → O₂ + N₂

• Single replacement

• Synthesis

• Decomposition

• Double replacement

• Combustion