Exhaust fumes discharged from a smoky vehicle gradually become invisible as a result of? by Sunday | Aug 20 | Chemistry WAEC | 0 comments A. diffusion B. combustion C. absorption D. emission Correct Answer: Option A – diffusion Users Also Read These:A constituent of the exhaust fumes from electricity…Which of the following gases has a characteristic…When the pressure of the gas in a discharge tube is…The sound from a bell in an enclosed jar gradually…Which of the following pairs of gases are pollutants…