100% CORRECT NECO GCE 2014 CHEMISTRY PRACTICAL EXAM ANSWERS NOW - TopicsExpress



          

100% CORRECT NECO GCE 2014 CHEMISTRY PRACTICAL EXAM ANSWERS NOW AVAILABLE HERE (1i) white paper, burette, retort stand, flat bottom flask (1ii). -Parallax error, -instrumental error -personal error (1B-) (CA*22.5)/(0.1*25)=1/1 Ca=0.111 mol/dm3 1bii. 0.111= 4.05/rmm rmm =36.5g/mol (2i). Green ppt green ppt soluble in excess fe2+ confirmed (2ii). Fe2+ confirmed (2iii). Brown ppt (2iv). White ppt 3a i chromatography ii. Four iii. Cottonwool iv. IV 3b i. CuSO4 ii. CaO 3c i. Silica gel and CaO ii.drying agent as absorbent ANSWERS LOADING.......
Posted on: Mon, 03 Nov 2014 14:29:48 +0000

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