Air and Atmosphere - Quiz 1


This quiz on air and atmosphere. You may like to revise this chapter first before attempting the question. 


https://pixabay.com/en/oxygen-pressure-regulator-oxygen-lax-502887/

1.  Which gas can be produced by incomplete combustion of hydrocarbons?
A. sulfur dioxide
B. nitrogen dioxide
C. hydrogen chloride
D. carbon monoxide


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