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chemistry INVESTEGATORY PROJECT

(2015-2016

ALIVA DAS

KENDRIYA VIDYALAYA COSSIPORE

CLASS XII-B

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!EN"RIYA VI"YA#AYA COSSIPORE$ONA%I"E CERTI%ICATE

This is t& certi'y tht the )r&*ect tit+e,

T& c&m)re the rtes &' 'ermetti& &' .i/e sm)+es &' &r .rm &r rice

, )&tt&es

is 3&4,e &r crrie, &t 3y

A#IVA "AS &' c+ss 7II ,h/e stis'ct&ri+y c&m)+ete, the

I/esti.t&ry Pr&*ect i

$i&+&.y s )rescri3e, 3y C8$8S8E c&rsei the

$i&+&.y #3&rt&ry &' !e,riy Vi,y+y,ri. the c,emic yer 2015-16

Si.tre &' the Techer si.tre &' the e9mier

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AC!NO:#E"GE;ENT

I e9)ress my ,ee) .rtit,e , sicere

ths t&;iss8 Shih P+ 3i&+&.y techer t

!e,riy Vi,y+y C&ssi)&re '&r herec&r.emet

&' this )r&*ect &r8 I sicere+y

))recite this m.imityti. her '&+, '&r hich I sh++ remi

i,e3te, t& her8

I e9)ress my herty ths t& mytecher h& hs he+)e, me i the

c&m)+eti& &' this )r&*ect8 I +s& th 

;rs8 I,ree +3 sst8 &' 3i&+&.y ,e)t8'&r her he+) ith&t hich it &+, h/e3ee mere+y im)&ssi3+e t& c&m)+ete this

&r8

Thi. y&

A#IVA "AS

7II $

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AIM

TO CO;PARE T<E RATES O%%ER;ENTATION O% T<E GIVEN

SA;P#ES O% :<EAT %#O=R GRA;%#O=R RICE AN" POTATOES

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T<EORY 

:het &r .rm &r rice ,)&tt&es c&ti strch s the m*&rc&stitet8 Strch )reset i these '&&,mteri+s is 4rst 3r&.ht it& s&+ti&8I the )resece &' e>yme ,istsestrch ,er.&es 'ermetti& t& .i/e

m+t&se82(C6<10O5 ? <2O C12<22O11

Strch m+t&se

Strch .i/es 3+e-/i&+et c&+&r ith

i&,ie heres )r&,cts &''ermetti& &' strch ,& &t .i/e ychrcteristic c&+&r8 :he the'ermetti& is c&m)+ete the recti&mi9tre st&)s .i/i. 3+e /i&+et c&+&rith i&,ie s&+ti&8 $y c&m)ri. thetime re@ire, '&r c&m)+eti& &''ermetti& &' e@+ m&ts &',ieret s3stces c&tii. strchtheir rtes &' 'ermetti& c 3ec&m)re,8 The e>yme ,istse is

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&3tie, 3y .ermiti& &' m&ist 3re+ysee,s i ,r t 150C8 :he the.ermiti& is c&m)+ete thetem)ertre is rise, t& 600C t& st&)

'rther .r&th8 These see,s re crshe,i ter , 4+tere,8 The 4+trtesc&tis e>yme ,istse , is c++e,m+t e9trct8

E9)erimet(mteri+s , )r&ce,res

• ;ATERIA#S

 CONICA# %#AS!S

TEST T=$ES

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%=NNE#

%I#TER PAPER

:ATER $AT< 

:<EAT %#O=R

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RICE %#O=R 

GRA; %#O=R

POTATOES

1B IO"INE SO#=TION

E7PERI;ENT(mteri+s , )r&ce,res

PROCE"=RES

 

Te 580 . &' het &r i 100 m+

c&ic+ s , ,, 0 m+ &' ,isti++e,ter8

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$&i+ the c&tets &' the s '&r 3&t 5

mis8

 

%i+ter the 3&/e c&tets 'ter c&&+i.8The 4+trte &3tie, is het &re9trcts

 T& the het &r e9trct te i

c&ic+ s ,,

5 m+ &' 1B @e&s NC+ s&+ti&8

 !ee) this s i ter 3th

mitie, t tem)ertre &' 50-600C8A,, 2 m+ &' m+t e9trct8

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A'ter 2 mites te 2 ,r&)s &' the

recti& mi9tre , ,, t& ,i+te, i&,ies&+ti&8 N&te the c&+&r )r&,ce,8

 Re)et ste) 6 'ter e/ery 2 mites8

:he & 3+ish c&+&r is )r&,ce, the'ermetti& is c&m)+ete8 Rec&r, thet&t+ t&me te '&r c&m)+eti& &''ermetti&8

 

Re)et the e9)erimet ith .rm &r

e9trct rice &r e9trct )&tt& e9trct, rec&r, the &3ser/ti&8

 

&3ser/ti&

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Time 

c&+&r &' the recti& mi9tre &3tie,ith i&,ie s&+ti& i cse &' 

:het&r

e9trct

 Grm &re9trct

Rice&r

e9trct

P&tt&e9trct 

0 mi8 $+ishc&+&r

$+ishc&+&r

$+ishc&+&r

$+ishc&+&r

2mis8

$+ishc&+&r

$+ishc&+&r

$+ishc&+&r

$+ishc&+&r

888

10h&rs

N&3+ishc&+&r

#itt+e 3+ishc&+&r sti++

+e't

$+ishc&+&r

$+ishc&+&r

sti++ +e't

Time re@ire, '&r 'ermetti&

D :het 10 h&rs

D Grm &r 1285 h&rs

D Rice &r 15 h&rs

D P&tt& 1 h&rs

Res+t

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Rice &r tes m9imm time '&r'ermetti& , het &r tes miimmtime '&r 'ermetti&

3I$#IOGRAP<Y 

• INTERNET

  8ii)e,i8c&8i 

8.&&.+e8c&m 

8yh&&8i 

• $&&s

 –T&.ether ith +3 m+3i&+&.y

 –Get strte, ith )rctic+sciece

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 Thank you