As fuels

1 mark · Normal

Which gas is a poisonous product of incomplete combustion of hydrocarbons?

ACarbon dioxideBNitrogenCCarbon monoxideDOxygen

› Show answer

Correct option: Carbon monoxide

Common mistakes: choosing carbon dioxide

› Show mark scheme and worked solution

Marking points

B1 · 1 mark · Ticks carbon monoxide as the correct answer.

Worked solution

Carbon monoxide is a poisonous gas produced when hydrocarbons burn in a limited supply of oxygen.

← Previous Next question →

Report a problem with this question

What's wrong? The question looks wrong The expected answer looks wrong The marking scheme looks wrong The wording is unclear A diagram or image has a problem It's not from this part of the syllabus Something else

Tell us more (optional)

Want SubjectCover to remember your results?

Save your history, get your answers evaluated, track syllabus coverage and see what to practise next.

During Early Access, answer evaluation and explanations are currently free, subject to fair-use limits.

Create Free Account Sign in

SubjectCover

SubjectCover is an independent assessment and practice platform and is not affiliated with or endorsed by Pearson.

Pearson and Edexcel are trademarks of their respective owners.

Free practice Privacy Terms Contact