Acid Base Reaction

Which of the following is a neutralization reaction?

• 2Na + Cl₂ → 2NaCl

• CH₄ + 2O₂ → CO₂ + 2H₂O

• HCl + KOH → KCl + H₂O

• CaCO₃ → CO₂ + CaO

Predict the products of this reaction.

HCl + Ca(OH)2

• NaCl

• CaCl2

• CaCl2 + H2O

• H2O

Which element is common to all acids?

• Hydrogen

• Oxygen

• Carbon dioxide

• Helium

When carbonates react with acids, which gas is produced?

• Hydrogen

• Carbon dioxide

• Oxygen

• Nitrogen

A neutralisation reaction is a reaction between 

• Acid and a Base 
• Acid and water 
• Base and water 
• None of the above 

What type of reaction is the following: 
HCl  + Zn --> ZnCl₂ + H₂

• Neutralisation
• Acid and a metal 
• Acid and a carbonate 
• Ionic 

Complete the following reaction:

Hydrochloric acid + magnesium hydroxide -->

• Magnesium chloride + water

• Magnesium + water

• Magnesium chloride + hydrogen

• Magnesium chloride + water + carbon dioxide

.............................. + sodium hydroxide --> sodium chloride + water

• Nitric acid

• Sulphuric acid

• Hydrochloric acid

• Ethanoic acid

Acid + Metal --> ?

• Salt + Water
• Salt + Hydrogen
• Salt
• Hydrogen

Magnesium + sulphuric acid --> ?

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