Mankhwala a mowa ndi mtundu wamagulu omwe ali ndi gulu la hydroxyl (-OH) lomwe limamangiriridwa ku atomu ya carbon.Nthawi zambiri amagwiritsidwa ntchito ngati zosungunulira, mafuta, ndi mankhwala ophera tizilombo.Pali mitundu yosiyanasiyana ya mowa, kuphatikizapo methanol, ethanol, propanol, ndi butanol, iliyonse ili ndi katundu ndi ntchito zosiyanasiyana.Ethanol, mwachitsanzo, ndi mtundu wa mowa womwe umapezeka mu zakumwa zoledzeretsa ndipo umagwiritsidwanso ntchito ngati biofuel.Methanol, kumbali ina, imagwiritsidwa ntchito ngati chosungunulira m'mafakitale komanso popanga formaldehyde ndi mankhwala ena.Ngakhale kuti mowa uli ndi zinthu zambiri zothandiza, ukhoza kukhala wapoizoni komanso woyaka ngati sugwiridwa bwino.