Figure 1: Complete combustion (left) needs plenty of oxygen — products are only CO₂ and H₂O. Incomplete combustion (right) with limited oxygen produces toxic CO and/or soot (C).
This diagram covers Combustion Types — Visual Comparison within Combustion for GCSE Chemistry. Revise Combustion in Organic Chemistry for GCSE Chemistry with 25 exam-style questions and 15 flashcards. Use this page as part of a wider topic revision path rather than treating it as an isolated fact. It is section 3 of 13 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
Practice questions for Combustion
What are the only products formed during the complete combustion of a hydrocarbon?
Explain why carbon monoxide (CO) is toxic to humans. [3 marks]