Reactions of acids - Year 9

The reactants for a neutralisation reaction are...

• An acid and a base

• A salt and water

• A fuel and oxygen

• Carbon dioxide and water

In a neutralisation reaction the H⁺ and OH^- react to form...

• Carbon dioxide (CO₂)

• Water (H₂O)

• Salt

• Oxygen (O₂)

BASE + ACID ----> SALT +?

• water
• oxygen
• hydrogen ion
• hydroxide ion

Which of the following is the word equation for the reaction between acids and carbonates?

• metal + acid → salt + hydrogen

• carbonate + acid → salt + water

• carbonate + acid → salt+ carbon dioxide + hydrogen

• base + acid → salt + water

The word equation for an acid reacting with a metal is

Which of the following is a neutralization reaction?

• 2Na + Cl₂ → 2NaCl

• CH₄ + 2O₂ → CO₂ + 2H₂O

• HCl + KOH → KCl + H₂O

• CaCO₃ → CO₂ + CaO

When nitric acid is added to magnesium metal a reaction occurs and a gas is produced. The products of this reaction are:

• magnesium nitrate and hydrogen gas.

• magnesium carbonate and carbon dioxide.

• magnesium chloride and hydrogen gas.

• magnesium sulphate and carbon dioxide.

Complete the following reaction:

Hydrochloric acid + magnesium hydroxide -->

• Magnesium chloride + water

• Magnesium + water

• Magnesium chloride + hydrogen

• Magnesium chloride + water + carbon dioxide

Magnesium + sulphuric acid --> ?

• magnesium sulfate + water
• magnesium sulfate + hydrogen
• magnesium chloride + hydrogen
• magnesium chloride + water

• NaCl
  

• KF