MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

What do all alkaline solutions have in common?

Important Questions on Acids and Bases

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Write an equation to show what happens when ammonia gas dissolves in water.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain why the ammonia solution has a lower conductivity than the potassium hydroxide solution.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain why the ammonia solution has a lower pH than the potassium hydroxide solution.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Write a word equation for the reaction of dilute sulfuric acid with zinc.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Write a word equation for the reaction of dilute sulfuric acid with sodium carbonate.
HARD
Upper Secondary: IGCSE
IMPORTANT

The reactions of dilute sulfuric acid with (a) Zinc and (b) sodium carbonate 

Which one is not a neutralisation?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Salts are ionic compounds. Name the salt that forms when calcium oxide reacts with hydrochloric acid, and say which ions it contains.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Zinc oxide is a base. Suggest a way to make zinc nitrate from it. Write a word equation for the reaction.