Ndili ndi zaka zambiri zopanga chemistry , wowerengeka amatha kupereka mitundu yambiri ya chemistry . amatha kukwaniritsa ntchito zambiri, ngati mukufuna, pezani ntchito yathu panthawi ya Chemistry . Kuphatikiza pa mndandanda wazomwe zili pansipa, mutha kusinthanso mtundu wanu wapadera molingana ndi zosowa zanu zapadera.