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Umthombo weoli ekrwada kunye neemeko zokubunjwa kwayo
I-petroleum okanye ekrwada luhlobo lwendalo entsonkothileyo yendalo, eyona nto iphambili yikhabhoni (C) kunye nehydrogen (H), umxholo wekhabhoni uqhelekile ku-80% -88%, ihydrogen yi-10% -14%, kwaye iqulethe isixa esincinci ioksijini (O), isulfure (S), initrogen (N) kunye nezinye izinto. Iikhompawundi ezenziwe zezi elemen...Funda ngokugqithisileyo
