HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

What are spectator ions? Explain in your own words.

Important Questions on Acids and Bases

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
An H+ ion is just a proton. Explain why. (Do a drawing?)
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Acids act as proton donors. What does that mean?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Bases act as proton acceptors. Explain what that means.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Neutralisation is not a redox reaction. Explain why, using the word proton in your answer.
HARD
Upper Secondary: IGCSE
IMPORTANT
Hydrochloric acid is neutralised by a solution of sodium carbonate. Write the ionic equation for this reaction.
 
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
How would you show that magnesium oxide is a base?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
How we can arrange carbon, phosphorus and sulphur in order of reactivity, using their reaction with oxygen.
HARD
Upper Secondary: IGCSE
IMPORTANT
What colour change do you see, on adding litmus solution to a solution of phosphorous pentaoxide ?