12.COCTABbTE nOT VYECKME nAPbl: a) overtb vacrbili cryn, ucnpa XHeHua CHHAPOM CKy/AHble, yacro c npumecblo 96mnbHblù cTyn ( 5-10 pa3 B CyTKn), Aucaxapuna3HOD 3eneHoro upera, npumecb &GenblX KOMKOBN B) 4aCTblT BOARHUCTbII CTyn C OTXOX nerview 6onbuloro konwectea ra308 . BblpaxeHHblu Mereopu3M r) yMeperthoe yyauerne cryna c 2-4 pa3a B CyTKu). naHkpear nueckon 2)KHeHua o6unbHble 3noBoHHble. Crearopes. a) 3HTepuTnueckui 6) CHHAPOM HenocraTo4HOCTM r) CHHAPOM HenocraTo4HOCTM

It seems like the text you provided is in Russian and contains multiple-choice questions related to the properties of substances. Let me translate the questions and provide the correct answers:12. COCTABbTE nOT VYECKME nAPbl:a) overtb vacrbili cryn, ucnpa XHeHuaCHHAPOMCKy/AHble, yacro c npumecblo96mnbHblù cTyn ( pa3 B CyTKn),Aucaxapuna3HOD3eneHoro upera, npumecb \&GenblX KOMKOBNB) 4aCTblT BOARHUCTbII CTyn C OTXOX nerview6onbuloro konwectea ra308. BblpaxeHHbluMereopu3Mr) yMeperthoe yyauerne cryna c pa3a B CyTKu).naHkpear nueckon2)KHeHua o6unbHble 3noBoHHble. Crearopes.a)3HTepuTnueckui6)CHHAPOMHenocraTo4HOCTMB)uTuvecKuù cuHIApOMr)CHHAPOMHenocraTo4HOCTMThe correct answer is:a) overtb vacrbili cryn, ucnpa XHeHuaCHHAPOMCKy/AHble, yacro c npumecblo96mnbHblù cTyn ( pa3 B CyTKn),Aucaxapuna3HOD3eneHoro upera, npumecb \&GenblX KOMKOBN