Chemical reactions - Achieved-level questions

What type of reaction is this?

• Combination reaction

• Decomposition reaction

• Precipitation reaction

• Metal displacement reaction

What type of reaction is this?

• Combination reaction

• Decomposition reaction

• Precipitation reaction

• Metal displacement reaction

What type of reaction is this?

• Combination reaction

• Decomposition reaction

• Precipitation reaction

• Metal displacement reaction

What type of reaction is this?

• Combination reaction

• Decomposition reaction

• Precipitation reaction

• Metal displacement reaction

Which of these reactions are a precipitation reaction

• 
• 
• 
• 

Which of these are insoluble? (use your table)

• Barium Nitrate Ba(NO₃)₂

• Calcium Nitrate Ca(NO₃)₂

• Silver Chloride AgCl

• Potassium Chloride KCl

Which of these are insoluble? (use your table)

• Sodium Hydroxide NaOH

• Potassium Hydroxide KOH

• Lithium Sulfate LiSO₄

• Lead Sulfate PbSO₄

What do you write in brackets next to something soluble?

• (aq) for aqueous, because it dissolves

• (s) for solid, because it doesn't dissolve

• (l) for liquid

• (g) for gas

What do you write in brackets next to something insoluble?

• (aq) for aqueous, because it dissolves

• (s) for solid, because it doesn't dissolve

• (l) for liquid

• (g) for gas

In this equation, what is the precipitate?

barium chloride_(aq) + sodium hydroxide_(aq) → sodium chloride_(aq) + barium hydroxide_(s)

• Barium chloride

• Sodium hydroxide

• Sodium chloride

• Barium hydroxide