1[a](i)Production of gases, (ii)Purification of copper by electrolysis, (iii)Manufacture nf elements, (iii)Electroplating.
(bi)Time=863.9sec
(ii)weight of coper =0.427g, and weight of zinc=0.439g.
Poleni na pilila za hapa na pale wana JF. Naomba kuuliza ukirudia mtihani(kutafuta kredit) na ukafaulu vizuri.Je kuna uwezekano wakupangiwa katika shule za serikali?Natarajia majbu mazuri.
Hata wewe unaesema hvyo ulifundishwa na walimu hoa hao unaosema ni felia.Je kama wao wamefeli na hawajui walifanyalo wale wanaofaulu vipaji wanafundishwa na walimu gani? Acha dharau kufeli mtihani haimaanishi hauna akili.
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