Chemistry skills check #4

What type of reaction is this?

2 NH₃+ 1 H₂SO₄ → 1 (NH₄)₂SO₄

• Synthesis

• Decomposition

• Single replacement

• Double replacement

What type of reaction is this?

2 NaBr + 1 Ca(OH)₂ → 1 CaBr₂ + 2 NaOH

• Synthesis

• Decomposition

• Single replacement

• Double replacement

What type of reaction is this?

3 Mg + 1 Fe₂O₃ → 2 Fe + 3 MgO

• Synthesis

• Decomposition

• Single replacement

• Double replacement

What type of reaction is this?

2 PbSO₄ → 2 PbSO₃ + 1 O₂

• Synthesis

• Decomposition

• Single replacement

• Double replacement

A substance that enters into a chemical reaction and is on the left side of the equation is called a _____________.

• Reactant

• Product

• Equation

• Balanced

A substance that is produced in a chemical reaction and is on the right side of the equation is called a_____________.

• Reactant

• Product

• Equation

• Balanced

What type of reaction is it?

Fe + H₂O → ____________________

• Synthesis

• Decomposition

• Combustion

• Single replacement

Which of the following correctly represents the product of the reaction?

Fe + H₂O → ____________________

• → FeO + H₂

• → FeOH₂

• → Fe(OH)₂

• → Fe + H₂ + O

What type of reaction is it?

H₂ + O₂ → ____________________

• Synthesis

• Decomposition

• Combustion

• Single replacement

Which of the following correctly represents the product of the reaction?

H₂ + O₂ → ____________________

• → H₂O₂

• → H + H + O + O

• → H₂ + O₂

• → FeH₂O