Did you see the slogan?

Xiao Ming saw two slogans at the gas station, "Please turn off the engine to refuel" and "Please don't use lighters", mainly to prevent sparks from igniting gasoline and causing fires, because in (a)

First of all, we must understand that it is forbidden to set off fireworks and firecrackers around gas stations to prevent gasoline gas from spreading around, because sparks or open flames can cause danger. The gasoline gas near the gas station is caused by vaporization of liquid gasoline.

Evaporation.-Correct! According to the above analysis, this option is correct.

B liquefaction-error! Liquefaction is a process from gas to liquid.

C ninghua-wrong! Condensation is a process from gas to solid directly.

D sublimation-error! Sublimation is a process from solid to gas directly.

I hope I can help you. You can ask questions ~ ~ ~

I wish you progress in your study and take a flight of stairs! (*^__^*)