Certifcate Guided by - mr. mr. Lalta Prasad Class
- xii-b(science)
Year Year
- 2016-17
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Certifcate t! be b!na fde !r% d!ne by * +aster ,eean$s$u #!nane! class // * in t$e c$emistry lab durin year 2016-17 ,ate#ubmitted !r Central !ard ! #ec!ndary ducati!n xaminati!n $eld in c$emistry at 34 5 1(+Y)
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I Express My Deep Sense Of Gratitude To Mr. A.K. Dwivedi (Principa! "or T#e "aciities $e $as Provided "or T#e %o&petion Of T#is Pro'ect. I Extent My $earty T#ans To Mr. )ata Prasad (PGT %#e&istry! *#ose Guideance *as T#e Main *ay "or T#e %o&petion Of T#is Pro'ect +eport. I Tae T#is Opportunity To Express My T#an funess "or $is Invaua,e %onsutation And %onstant Motivation And Encoura-e&ent. I %ant "or-et To O/er My Sincere T#ans To Parents And Aso To My %ass&ates *#o $eped Me To %arry Out T#is Pro'ect *or Successfu And "or T#eir 0aua,e Advice And Support *#ic# I +eceived "ro& T#e& Ti&e To Ti&e...
AIM 8-TO STUDYTHE PRESENCE OF I NSECTI CI DESOR PESTI CI DES( NI TROGEN CONTAI NI NG)I N VARI OUSFRUI TSAND VEGETABLES
CONTENTS: 1.I NTRODUCTI ON. . . . 2.AI M. . . . . 3.MATERI ALSREQUI RED. . . 4.PROCEDURE. . . 5.OBSERVATI ONS. . . 6.BI BLI OGRAPHY . . .
+</L# >?/, 81.MORTAR & PESTLE 2.BEAKER 3.FUNNEL 4.GLASSROD 5.FI L TER PAPER & CHI NADI SH 6.WATERBATH 7.TRI POD STAND & FUSI ON TUBE 8.KNI FE & TESTTUBE
SAMPLESOFVARI OUSFRUI TSAND VEGETABLES,ALCOHOLS,SODI UM METAL,FERRI C CHLORI DE, FERROUSSULPHATE CRYSTALS, DI STI LLED WATER & DI LUTE SULPHURI C ACI D
OBSERVATIONS 5+ @ <9 @?/< S.NO 4G<L
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PRESENCE OF I NSECTI CI DE OR PESTI CI DE RESI DUES
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I1T+OD2%TIO1 /n t$e ast decade t$ere $as been a tremend!us increase in t$e yields ! &ari!us cr!s t! meet t$e demand ! !&err!in !ulati!nD ac$ie&ed by usin esticides and insecticides. <$ese are c$emicals t$at are srayed !&er cr! t! r!tect it r!m ests. @!r examle D,,< D9C Einc $!s$ide D +ercuric c$l!ride D dinitr!$en!l Detc. ll esticides are !is!n!us c$emicals and are used in small Fuantities it$ care. Pesticides are r!&en t! be eecti&e aainst &ariety $erbicides and unicides. +!st ! t$e esticides are n!n- bi!deradable and remain enetrated as suc$ int! lants D ruits and &eetables. @r!m lants t$ey transer t! animalsD birds and $uman beins $! eat t$ese !lluted ruits and &eetables. /nside t$e b!dy t$ey et accumulated and cause seri!us $ealt$
r!blems. <$ese day reerence is i&en t! bi!deradable insecticides li%e malat$i!n. <$e resence ! insecticides residues in e&en ra samles ! $eat D fs$ meat D butter etc. 9a&e ar!used t$e c!ncern ! aricultural administrat!rs D scientists and $ealt$ !Hcials all !&er t$e !rld t! ut c$ec% !&er t$e use ! insecticides and t! searc$ !r n!n insecticidal means ! est c!ntr!l.
Pr!cedure
residues r!m t$e c$ina dis$ t! t$is usi!n tube and $eat it till red $!t. ,r! t$e $!t usi!n tube in a c$ina dis$ c!ntainin ab!ut 10 ml ! distilled ater. rea% t$e tube and b!il t$e c!ntents ! c$ina dis$ !r ab!ut " minutes. C!!l and flter t$e s!luti!n. C!llect t$e fltrate.
