◈ Oracle Prep Sign Up Free

O-LevelChemistryElectrolysis5070/11 · Oct/Nov 2013 · Q271 Mark

Aluminium is manufactured by the electrolysis of molten aluminium oxide. Which gas is not formed during this process?

Acarbon dioxide

Bcarbon monoxide

Coxygen

Dsulfur dioxide

✓ Correct answer

D: sulfur dioxide

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Electrolysis and see which topics are most likely to come up next.

Sign up free →

About this question

Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 1, question 27.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Chemistry questions

ElectrolysisMay/June 20131m

In the electrolysis of molten aluminium oxide for the extraction of aluminium, the following three reactions take pla…

ElectrolysisMay/June 20141m

In which circuit does the bulb light?

ElectrolysisMay/June 20141m

Aqueous copper(II) sulfate is electrolysed using copper electrodes. The current is constant and the anode (positive e…

Organic ChemistryMay/June 20141m

Fats, carbohydrates and proteins all contain which chemical elements?

Organic ChemistryMay/June 20141m

The structural formulae of some organic compounds are shown below. Which compounds are alcohols?

Acids, Bases & SaltsMay/June 20141m

Which process is suitable for obtaining the water from an aqueous solution of sugar?

← Browse all past-paper questions