Y12 Chem L2 Equations

What is the formula for Aluminium chloride?

• AlCl₃

• AlCl₂

• Al₂Cl

• Al₃Cl

What is the formula for Zinc oxide?

• ZnO

• ZnO₂

• Zn₂O

• Zn₂O₂

What are the products formed when Nitric acid reacts with Calcium hydroxide?

• Ca(NO)₃ + H₂O

• Ca(NO₃)₂ + H₂O

• CaNO + H₂O

• Ca₂(NO)₃ + H₂O

Complete the following reaction
2 Na + H₂SO₄ →

• 2 NaSO₄ + H₂O

• Na₂SO₄ + H₂O

• 2 NaSO₄ + H₂

• Na₂SO₄ + H₂

Complete the following reaction
NH₃ + HBr →

• NH₃Br + 1/2 H₂

• NH₄Br

• NH₂ + H₂Br

• NH₄ + 1/2 Br₂

Which of the following compounds is insoluble in water?

• KNO₃

• Na₂SO₄

• BaSO₄

• NH₄Cl

Which of the following compounds is insoluble in water?

• AgBr

• Zr(NO₃)₄

• NH₄OH

• Li₃PO₄

What type of reaction is shown below?

Zn + CuSO₄ → Cu + ZnSO₄

• Neutralization

• Displacement

• Precipitation

• Decomposition

Which ion is the spectator ion in the following reaction?

Ca + 2 HCl → CaCl₂ + H₂

• H⁺

• Cl^-

• Ca²⁺

• H₂

Which ions are the spectator ions in the following reaction?

Pb(NO₃)_{2 (aq)} + Na₂SO_{4 (aq)} → PbSO_{4 (s)} + 2 NaNO_{3 (aq)}

• Pb²⁺ and NO₃^-

• Pb²⁺ and SO₄^2-

• Na⁺ and SO₄^2-

• Na⁺ and NO₃^-