Chemistry A-Level
acidic and basic oxides
What acidic and basic oxides means in Chemistry A-Level, as defined for AQA.
Definition of acidic and basic oxides
Check what you remember
Read the wording for your board, then hide it and explain acidic and basic oxides in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Sulfur dioxide is an acidic oxide, calcium oxide is a basic oxide and calcium carbonate is the salt of a weak acid, so both neutralise it.
Topics that use acidic and basic oxides
- Combustion of alkanes (AQA A-Level)
Related terms
- acid rain
- alkane fuels and uses
- bond enthalpy balance
- carbon dioxide trade-off
- carbon monoxide and soot
- damage to buildings and lakes
- errors in enthalpy of combustion
- exothermic combustion
Using acidic and basic oxides in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge