MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Salts are ionic compounds. Name the salt that forms when calcium oxide reacts with hydrochloric acid, and say which ions it contains.

Important Questions on Acids and Bases

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.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
In what ways are the reactions of hydrochloric acid with calcium oxide and calcium carbonate similar?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
In what ways are the reactions of hydrochloric acid with calcium oxide and calcium carbonate different?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Lime can help to control acidity in soil. Why?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Lime can help to control acidity in soil. Name one product that will form when it is used.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Zinc reacts with hydrochloric acid to form zinc chloride, ZnCl2. Show that this is a redox reaction.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What is an ionic equation?
HARD
Upper Secondary: IGCSE
IMPORTANT
Hydrochloric acid is neutralised by a solution of potassium hydroxide. What do you expect the ionic equation for this neutralisation reaction to be? Write it down.