6. Caleulatone

Formuwe ured > M V : N Va,' Here Ni: ormaliky oh knuwn Copper sol. V, Volume known Cu P0y Sol, ie, in), Hert, N : no.o e.wioy 5%0 volume unknown Cusoy sol.ie.Snl, V Volame 6 hiosu/phale C bureh eo Vy Volumog hrasulpkate (nd surtlk ralh). vol. in likes. eg. o wnoy : molar mum 9.8/u9gm.i &yu:19.9 ho. e > 2.06 60

.

-ical losk ond so/. turhe 6/ue immediotely, repakin9 pense of odine in sol, +he iodine hain Hhakd wih Sodiun worap. -hak ono a en Point blue co/ou oisoppeas , meaning Compe oxdalon ag thiosuphae on 90odint. huo, hir ia on indi'e ch mehod or measuniag Cud? cone. ingi -ven unknown solukon os, Csoy or/dise» kl, k? e/or 22 uhth ovrdhe No S Oq ,uwhose Comalele ox/oaon arvoo co con -Culon Ar ooulh of etimabn ot cu7 in given sohahbn.

Pe0aNaien e aeleiens

Co) kno wn 90/. Ou 8Ou.50 weight 2.08 groms Cu SOu5h0 eryslale, puk ik in volunehit A/ank and odd 1oml. oA acele ocid, make i v50nl 6u odding o.

6 goluion add lo grams o K2 in 1o0 ml. woler. Ccy SAoreh so/ use Solub/e skanch a Drepaxa starch soluion.

5. Pocedse-co) Plhe durke ulh Sodium 4hjosulphat (Na Sa O3 ) So/. C&) PipeHe out 5m, o known (mparno) Copper sulphale so/ution cu sou. 5H o) in Conita laok and add 5n, k solukon, he soluhon will tun órown yetlouw. (o) /rakon : 4ihak il Cabove sol. ) wih sodium hiosulp - hak, i!l +he pale yetwow Coloux ii obtained.

Teacher's Remarks. Teacher's Sigrature.

****************************************"

3.6

Similanly, » unkwhow Sel N, Vy NV Ng 15N5 x 3.65 ,,65 Ng

Con. ob eu ey. Novmolily) " 65%l1L.

Experiment No.. Date. Page No.2Z,_ ********************************* d) 4ihaion 4o the aboue col, odd Iml. Skneh sol. the sol, w mmedia/y Aurn donk &lue in co/our due to poane of iodine. ebak,it wih soodium thio-sulphae and 6/ue colour uill -soppea af end point. ok douun the netding ond peak them » mort imes unHl tre Concndonf «adinge au obleine d. " C9) Similary mpca he proc en r unknown I/. as uell od nok doun the codingt.

7 Resultai he conc. Cuin giuen unknown sol. o Copper Salt is i.6 _ rom/ iht,

.ecmubiong while weipming don' spiI he vusane on baone pan Co) Aotak Hhe knob of bolonte genly. (8) keep he weighl wegh 6ox n thon proper Dlare ajkr u*, (u) wonh he burete aßer 4iheahon. Check inial neading e6 buret, isi * zero o no 8 waahhe wakh glan thraphy so Has a ting/e crytha/e olid Cutoy.54o it not es .

Teacher's Sigrature. Teacher's Remarks.

,adr ideniy given organic compound and Aind out ih melking point

.agasUNRMntA, i - htele 's tube , stend, Glyceno/, makh box, 6unsen 6urner +hermomeler, capilay tube, shing, Fusion tube, sodium meta Ching dich, tesk tube, unknown ovganic compound ainatien, doas:-n ouaie sof, oh unknawn oganic compound, £ -5 rops of kMnOy ir added ar it pink coour s disthanged Lhon giuen compound is unsahurakd C conain T- banss ) ake a oiece eh rodium melal ipped in kerosfne oil, dhry if using filker popr thon. puf ik in ignion Aube, heaf he ignihon tube under blue Flame, 4il he 8odium mekal 14 melkd ond form #/ob ule ak hi* sAege add smal pinch ob ongonic compoud, than hea i4 ed-hof, now put the ignihon Aube fn china-dsh contoi - ning disHIVed wakr than it may break itsel io nof break it Ushg glan rod, Filkr itAWrak formtd lobtain is nouo toTeacher's Sigrature. Teacher's Remarks..

PheMal Oramngtüsn,-ohyska/ ak 3olid C^owder li'ke buk 6aiHe) co/our- whik pouder8mell 1ododr -Ammon'a ike So/u6i/iAy so/u6/e in wakr.

4. ARnaEn. Seak i when ignihd i6 comound bum with smoky Aeme hon k oromale compound, ig nok thon itt aliphaic.

6. epanation sh sdim-ohueionr Extraut

- t/ed So dium As/on erhoct,

SNo. 8apetiment o6sexuaton Dnence

.9o 9ml. of sodium- PPE kormed N pomnt , Fus'on -exhect odd dork-8reen ) Few toer of fresbly Popaxud FesOy . . 7o Am. o odiuum No PP

Sulphur absenk - Aveon exhat add few ropr ob oohly prpaned SNp (3odi-um-nih0prusside) 3. o ml. o Sodom Futnn No pp Waliden tike cl6r ek exbao odd Con. NNos abren 6o/, Coo/ han add cero method melting potn 198 c 96semed meling poin 50°c odpelin