The process in which gas molecules intermingle as a result of random motion is known as ___________.
diffusion
sublimation
filtration
distillation
Name the hydrocarbon which : (a)is a tetrahedral molecule, (b)is a planar molecule, (c)is a linear molecule, (d)forms a red precipitate with ammoniacal solution of copper (I) chloride, (e) is known as paraffin, (f) is known as olefin. (g) a compound which will give acetylene (ethyne) gas when treated with water.