Ermetova jamila ismailovna ermetov amirbek ismailovich karimova munisa maxsud qizi

fraksion distillash – haroratning bosqichma-bosqich oshirilishi va har bir komponentning alohida yig'ilishi orqali turli xil qaynoq nuqtalarining uchuvchan qismlarini aralashmada ajratish.
fractional distillation – the separation of volatile components of different boiling points in a mixture by the gradual increase of temperature and the separate collection of each component.
fransiy– gidroksidi metall guruhining radioaktiv elementi. Ramz: Fr; atom raqami: 87.		francium– a radioactive element of the alkali metal group. Symbol: Fr; atomic number: 87.