The incomplete combustion of hydrocarbon fuels can produce a toxic gas that reduces the capacity of the blood to transport oxygen.
Which gas is this?
A
Carbon dioxide
B
Carbon monoxide
C
Nitrogen
D
Sulfur dioxide
Markscheme
Interpreting and interacting with earth systems Questions
32 exam-style questions on OCR GCSE Chemistry Interpreting and interacting with earth systems. Each one has a worked solution and a mark scheme showing where the marks go.