1. Pewani kukhudzana ndi mpweya. Pewani kukhudzana ndi asidi kloridi, mpweya, ndi zidulo.
2. Madzi opanda mtundu komanso osavuta kuyenda, amasanduka bulauni kapena ofiira kwambiri akakhala padzuwa kapena mpweya. Pali kukoma kowawa. Imasakanikirana ndi madzi, koma yosakhazikika m'madzi, imasungunuka mosavuta mu ethanol, ether, benzene ndi chloroform, komanso osasungunuka mu petroleum hydrocarbons. Zosasungunuka mu alkanes.
3. Mankhwala amtundu: Mowa wa Furfuryl ukhoza kuchepetsa njira yothetsera ammonia ya silver nitrate ikatenthedwa. Ndizokhazikika ku alkali, koma ndizosavuta kuyambiranso pansi pa zochita za asidi kapena mpweya mumlengalenga. Makamaka, imakhudzidwa kwambiri ndi ma asidi amphamvu ndipo nthawi zambiri imagwira moto pamene zimachitikira kwambiri. Zimawoneka zabuluu zikatenthedwa ndi diphenylamine, acetic acid, ndi concentrated sulfuric acid (diphenylamine reaction).
4. Zimakhala m'masamba a fodya ochiritsidwa ndi flue, masamba a fodya a burley, masamba a fodya akum'mawa ndi utsi.