Unit 5 Test Review

What type of reaction is this?

Cl₂ + 2KI → I₂ + 2KCl

• Synthesis

• Single replacement

• Double replacement

• Decomposition

• Combustion

BaF₂ + K₃PO₄ → Ba₃(PO₄)₂ + KF

What coefficient goes in front of K₃PO₄?

• 1

• 2

• 3

• 4

Which of the following is an example of synthesis?

• Na + Br₂ → NaBr

• KClO₃ → KCl + O₂

• HgO + Cl₂ →HgCl + O₂

• Cl₂ + NaBr → NaCl + Br₂

Predict the products of this reaction:

K + FeCl₃ →

• Fe + KCl

• KFeCl₃

• KFe + Cl₂

• Fe + KCl₃

What type of reaction is this?

2C₅H₁₀ + 15O₂ → 10CO₂ + 10H₂O

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

O₂ + CS₂ → CO₂ + SO₂

What coefficient would go in front of the O₂?

• 1

• 2

• 3

• 4

Predict the products of this reaction:

C₂H₄ + O₂ →

• C₂O₂ + H₄

• CO₂ + H₂ + O₂

• CO + H

• CO₂ + H₂O

Tags

NGSS.HS-PS1-2

Cu₂O + C → Cu + CO₂

What coefficients are needed to balance this equation?

• 1, 2, 2, 1

• 2, 2, 4, 1

• 2, 1, 2, 1

• 2, 1, 4, 1

Predict the products of this reaction:

NaOH + Fe(NO₃)₃ →

• NaFe + OH(NO₃)₃

• Na(NO₃)₃ + FeOH

• NaNO₃ + Fe(OH)₃

• NaFe + 3(OH)NO₃

Tags

NGSS.HS-PS1-2

What type of reaction is this?

NaCl + AgNO₃ → AgCl + NaNO₃

• Synthesis

• Decomposition

• Single replacement

• Combustion

• Double replacement