Ikilasi le-Hazmat liseseshini.
Ingabe uyayazi i-hazmat?
Awuqondi?
Kulungile. Woza uhlanganyele nathi.
Vumela umhleli athathe uhambo oluncane emhlabeni we-hazmat.
I-Dimethylaniline (C8H11N), ingabe uyaqonda?
Livelaphi, futhi lizosetshenziselwani?
Kuyingozi kangakanani?
Senzani uma kwenzeka ingozi ye-dimethylaniline?
Vumela umhleli akudlulisele ejimini lokufunda -....
Imfihlo ye-Dimethylaniline
Isikhathi sokuthumela: Sep-02-2020