Gas stations often post safety warnings about static electricity or other sparks because gasoline is volatile and gasoline vapors are flammable. Option C is correct.
Gasoline is a type of liquid which is toxic and highly flammable that is can easily catch the fire and the vapors produced by the burning of it is called gasoline vapors.
It produces nitrogen oxide and carbon monoxide while burning which is not favorable for the environment and also produces unburned hydrocarbons.
Therefore, the gasoline vapors are flammable Gas stations often post safety warnings about static electricity or other sparks. Option C is correct.
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