Ammonium chloride and Naphthalene balls
They both undergo as a substance and the reaction that place is sublimation.
✔✔Sublimation is a chemical process where a solid turns into a gas without going through a liquid stage
✔✔ example of sublimiation ☺
when ice cubes shrink in the freezer.
draw a benzene and then draw a bond at last mark ch for every side