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és4imabian o6 u in given 8odukion Cucou Cunknaon) coppe o Soduion Ucing hupo-fodium thio fu/phae i-e. C?odomebrt kbahon).

.Pap mniA Webth glom , Aociona/ weight box, chemi cas balorke, bureHe 6ml pipee, Volumehie meownng Ploak, Canitad Plonk, burelh skend Frpaper(uhik), coppeY Sulphak cruslals CcUsoy 5H20), F um thiosulphale (No, s2 03 ) Sofution, k? solahon, sareh sal uion a 4cetie ocid .

e2yi. 7e uolumeie ona/ysir Ar esinakion ob Cu'"in giuen soll solulion ion iodomehie Hakon, as here shen we dwr on conical Flak whieh contein 5ml. curOy sduion and 5ml: k? solukon, h two does rcoch wih euh okher a K2 ges oxiodined to neleo orli6orae 2odine C2) in sSo/ukon. ie, . CusOy .5H0 tk?. aridalisn Cu2 Cu

2n Fiml ihahon i. Aihahon 6ew Curoy. 5H, 0 sol. and ? with thiosulphak , the 6erakd ?, in adove machon oi - dises thiosulp hak ond "pale velow coloa ir obleined ". Phit,yUow colour idd'akes preanre og 20dine in he so Now, in nd ibakon Imi. h sorih so/, is added in con

Teacher's Remarks. Teacher's Sigrature