ÿ ï£ó£òí£
Less Strain More Success
«õFJò™
10
10
œ
è†ì
£
b˜¾ èí‚
°è
+2
ò
Q.No.70
34
70(c)
îQñƒèœ
70(b)
?
36
38
28
70(d)
13.I¡
«õFJò™-&I
70(a)
4.d ªî£°F
16.¬ý†ó£‚R
õNŠªð£¼†èœ
18.裘ð¬ù™
«ê˜ñƒèœ
*
*
*
5 Üó² ñ£FK Mù£ˆî£œèœ
PTA ðJŸC èí‚°èœ
Rs.52
񣘄 2006 & 2013
SRI NARAYANA PUBLICATION
Murugan Kovil Street, Vellaiyur - 636 116.
Gangavalli (Tk), Salem (Dt). Cell: 95788 42280, 95788 42283
[email protected]
ÝCKò˜ à¬ó
ܡ𣘉î ñ£íõ„ ªê™õƒè«÷...
ÿ ï£ó£òí£ õN裆®J¡ Íôñ£è àƒè«÷£´ «ð²õF™
ªð¼ ñA›„Cò¬ìA«ø¡. ï¡ø£è ð®‚è‚îò, èí‚°è¬÷«ò
ñùŠð£ì‹ ªêŒ»‹ Fø¡ ð¬ìˆî ñ£íõ˜èœ Ãì è†ì£ò Mù£
70™ 10 ñFŠªð‡è¬÷ ªðø º®ò£ñ™ èwìŠð´Aø£˜èœ. è£óí‹
Üó² ªð£¶ˆ«î˜M™ Mù£ â‡: 70 âŠð® «è†èŠð´Aø¶.
èí‚°è¬÷ âŠð® 𣘊ð¶? «î˜¾ â¿î„ ªê™½‹ è¬ìC
GIì‹ õ¬ó â™ô£ ñ£íõ˜èÀ‹ ðòˆ«î£´î£¡ ªê™Aø£˜èœ.
èí‚°è¬÷ Ü®Šð¬ìJ¡ ð® (Fundamental) ñ£íõ˜èœ
ªð¼‹ð£½‹ îò£ó£õF™¬ô. Þ‰î Hó„ê¬ùèœ Ü¬ùˆFŸ°‹
Þ‰î õN裆® àƒèÀ‚° «î¬õò£ù Ü®Šð¬ì °PŠ¹èœ
î¼õ«î£´ ñ†´ñ™ô£ñ™, Üó² ªð£¶ˆ«î˜M™ âF˜ð£˜‚è‚îò
°PŠ¹è¬÷»‹ ެ툶 îóŠð†´œ÷¶.
°PŠ¹èœ:
1.
¬ý†ó£‚C õNŠªð£¼†èœ, 裘ð¬ù™ «ê˜ñƒèœ ð£ìˆF™
Íô‚ÃÁ õ£Œð£´ ªè£´ˆ¶ Ü„«ê˜ñˆF¡ ð‡¹èœ ãî£õ¶
塬ø °PŠð£è î¼õ£˜èœ.
2. d ªî£°F îQñƒèœ ð£ìˆF™ õK¬ê â‡, ªî£°F â‡,
º‚Aò , ܉î à«ô£èˆF¡ ÞòŸHò™ ð‡¹ å¡P¬ù
°PŠð£è î¼õ£˜èœ.
3.
I¡ «õFJò™-I ªð£Áˆîõ¬ó ªð¼‹ð£ô£ù Mù£‚èœ
¹ˆîèˆF½œ÷ â´ˆ¶è£†´ èí‚°èœ ñŸÁ‹ PTA Üó² ñ£FK
Mù£ˆî£œèOL¼‰¶ Üó² ªð£¶ˆ «î˜M™ «è†èŠð´A¡øù.
ÞF½œ÷ èí‚°è¬÷ 𣘈 ñ†´«ñ «ð£¶ñ£ù¶.
4.
îI›ï£´ ªðŸ«ø£˜ ÝCKò˜ èöèˆî£™ ªõOJìŠð†´œ÷ Mù£
õƒAJ™ ð£ì â‡: 4, 16, 13, 18™ àœ÷ ðJŸC èí‚°èœ
ñŸÁ‹ 5 Üó² ñ£FK Mù£ˆî£œèœ Þ싪ðŸÁœ÷ù. 90%
Mù£‚èœ Üó² ªð£¶ˆ«î˜M™ ÞFL¼‰«î «è†èŠð´A¡øù.
ÞîŸè£ù M¬ìèœ ÿ ï£ó£òí£ õN裆®J™ ñ†´«ñ
ެ툶 îóŠð†´œ÷¶.
5.
å¼Cô «ïóƒèO™ Üó² ªð£¶ˆ«î˜M™ ãŸèù«õ «è†èŠð†ì
Mù£‚èœ Ãì ñÁð®»‹ «è†èŠð´Aø¶.
1.
ôî™
CøŠð‹ê‹
â¡ùªõQ™
ãŸèù«õ
Üó²
ªð£¶ˆ«î˜M™ å¼ Mù£M™ «è†èŠð†ì A,B,C,D
«ê˜ñƒèœ ñÁð®»‹ Ü«î Mù£ A,B,C «ê˜ñƒèœ õ¬ó Ãì
«è†èŠð†´œ÷¶.
2.
ñ£˜„&2013™ «è†èŠð†ì èí‚°èœ Ü¬ùˆ¶‹ ñ£˜„&2010™
ãŸèù«õ Þ싪ðŸø èí‚°èœ Ý°‹.
3.
âù«õ PTA ðJŸC èí‚°èœ, PTA 5 Üó² ñ£FK Mù£‚èœ,
ܬùˆ¶ Üó² ªð£¶ˆ«î˜¾ Mù£‚è¬÷»‹ ðJŸC ªêŒ¶
ªè£‡´ Üó² ªð£¶ˆ«î˜¾‚° ªê™õ¶ ï™ô¶.
4.
å¼ Cô èí‚°èœ ¬ý†ó£‚C õNŠªð£¼†èO™ ªî£ìƒA,
裘ð¬ù™ «ê˜ñƒèœ, 裘ð£‚CL‚ ÜIôƒèœ ñŸÁ‹ èKñ
¬ï†óü¡ «ê˜ñƒèO™ Ãì º®Aø¶.
5.
èí‚A™ Ý™®¬ý´ îóŠð†®¼‰î£™ Ü„«ê˜ñ‹ ì£ô¡v
è£óE ñŸÁ‹ çªðLƒ è¬óê¬ô å´‚°‹ â¡ø °PŠ¹
èí‚A™ îóŠð†®¼‚°‹.
6.
W†«ì£¡ îóŠð†®¼‰î£™ Ü«ò£«ì£ç𣋠M¬ùJ™ ß´ð´‹
â¡ø °PŠ¹ îóŠð†®¼‚°‹.
7. ÜIô‹ îóŠð†®¼‰î£™ Ü„«ê˜ñ‹ NaHCO3 ¾ì¡ ¸¬óˆ¶
ªð£ƒ°‹ â¡ø °PŠ¹ îóŠð†®¼‚°‹.
8.
çdù£™ îóŠð†®¼‰î£™ ï´G¬ô FeCl3 ¾ì¡ áî£ Gøˆ¬î
 â¡ø °PŠ¹ îóŠð†®¼‚°‹.
9.
çdù£™ õó‚îò ªðò˜ M¬ùèœ ñŸÁ‹ ªð¡ê£™®¬ý®™
õó‚îò ªðò˜ M¬ùèœ ªîK‰F¼ˆî™ ÜõCò‹.
10. âù«õ èí‚°è¬÷ ð®‚è ªî£ìƒ°õ º¡ ܉î
ð£ì‹ ðŸPò «ñ«ô ÃøŠð†ì °PŠ¹è¬÷ ªîK‰¶ ªè£‡´
ªê¡ø£™î£¡ èí‚«è ¹K»‹.
11. Þ‰î °PŠ¹èœ â™ô£‹ ªîKò£ñ™ ñ£íõ˜èœ èí‚°è¬÷
ð®Šðîù£«ô èí‚° è®ùñ£è Þ¼‚Aø¶ â¡Aø£˜èœ.
12. «õFJò™ ð£ìˆF™ ñ†´«ñ èí‚°èO¡ °PŠ¹èœ
ªîK‰î£™ °¬ø‰îð†ê‹ 5 ñFŠªð‡ â´ˆ¶Mìô£‹.
ÿ ï£ó£òí£ õN裆®¬ò ðò¡ð´ˆF õ¼A¡ø Üó²
ªð£¶ˆ«î˜M™ «õFJò™ ð£ìˆF™ 200/200 ñFŠªð‡ ªðø
Ü¡¹ì¡ õ£›ˆ¶A«ø¡.
= ehuhazh - fl;lha jPh;T fzf;Ffs;
Mù£
â‡: 70
tpdh vz; : 70
è†ì£ò‹
«õ‡´‹
fl;lhak;M¬ìòO‚èŠðì™
tpilaspf;fg;gly; Ntz;
Lk;)
tpdh vz;
70
gphpT
a
fhpk Ntjpapay;
16
b
fdpk Ntjpapay;
4
jiyg;G
i`l;uhf;]p
topg;nghUl;fs;
d - gphpT jdpkq;fs;
c
fhpk Ntjpapay;
,aw;gpay;
Ntjpapay;
18
fhh;gidy; Nrh;kq;fs;
13
kpd;Ntjpapay; - I
d
ghlk;
Fwpg;G:
,g;gFjpapy;
gs;sp
fy;tp
,af;fj;jhy;
ntspaplg;gl;Ls;s
midj;J gapw;rp tpdhf;fs; kw;Wk; muR khjphp tpdhj;jhs; (5)> muR
tpdhj;jhs;
khh;r;-2006
2013 tiuapyhd
Kjy; Ü‚«ì£ð˜
khh;r; 2012
midj;J
fzf;FfSf;Fk; jPu;T nfhLf;fg;gl;Ls;sJ. ,jid Kiwahf gapw;rp
nra;jhy; Njh;tpy; epr;rakhf cq;fshy; 10 kjpg;ngz;fis ngwKbAk;
vd;gjpy; re;Njfj;jpw;F ,lkpy;iy> tho;j;Jf;fs;. = ehuhazh topfhl;b
ntspte;J
njhlh;e;J 15
7 muR
nghJ
Njh;TfspYk;
,g;gFjpapy;
,Ue;Jjhd; fl;lha tpdh Nfl;fg;gl;Ls;sJ rpwg;gk;rkhFk;.
jkpo;ehL ngw;Nwhh; Mrphpah; fofk;: tpdhtq;fpapYs;s midj;J gapw;rp
fzf;FfSf;Fk;
,q;F
jPh;T
jug;gl;Ls;sJ.kw;w
topfhl;bfspy;
,jw;Fhpa jPh;T nfhLf;fg;gltpy;iy .,Jtiu ele;Js;s 22
18 muR
Njh;TfisAk;
Ma;T
nra;J
ghh;j;j
nghOJ
mjpf
tpdhf;fs;,
,jpypUe;Jjhd; Nfl;fg;gl;Ls;sJ .
Üó² ªð£¶ˆ«î˜M™ âƒA¼‰¶ Mù£‚èœ «è†èŠð´Aø¶ â¡ð¬î ÜP‰¶
ÜîŸè£ù ܬùˆ¶ ð°FèÀ‹ ÞF™ ެ툶 îóŠð†´œ÷ Mù£‚èœ
âŠð® «è†èŠð†ì£½‹ ÿ ï£ó£òí£ õN裆®J™ ܉î Mù£ M¬ìèœ
Þì‹ ªðŸP¼‚°‹ â¡ðF™ ꉫîèI™¬ô. ï‹H‚¬è«ò£´ 𮻃èœ.
1
nghl;lhrpak; ilFNuhNkl;by; ,Ue;J> FNuhiky; FNshiuL Nrhjid>
fhuj;Jld; tpid> Mf;rp[Ndw;w tpidfs; Nfl;fg;gLfpwJ.
7. (fhg;gh; ry;Ngl; (m) kapy;Jj;jk;)33ntg;gj;jhy; tpisT tpidkl;LNk 5
kjpg;ngz;fSf;F
Nfl;fg;gLfpwJ.
rpy
Neuq;fspy;
fhg;gh;ry;Ngl;
-
mk;NkhdpahTld; KI, H2S tpid Nfl;fg;gLfpwJ.
8. rpy;th; iel;Nul; (or) Y}dhh; fh];bf; (AgNO3) fzf;fpy; AgNO3 MdJ
KBr,KI, NH4OH, HCOOH ld; tpid Nfl;fg;gLfpwJ.
9. [pq;fhh;gNdl; - ZnCO3 (fhyikd;)
ntg;gj;jhy; tpisT tpidkl;Lk; ngUk;ghYk; Nfl;fg;gLfpwJ.
ZnCO3 3000C ZnO + Co2
10. [pq;f;>
FNuhkpak;
gphpj;njLj;jypy;
tUk;
midj;J
tpidfisAk;
njspthf njhpe;J nfhs;f.
ÞòŸHò™ ð‡¹èœ
à«ô£è‹
i) 裊ð˜ (Cu)
ªê‹ð¿Š¹ Gøºœ÷ à«ô£è‹
ii) °«ó£Iò‹ (Cr)
C™õ˜ «ð£¡ø ªõ‡¬ñò£ù à«ô£è‹
iii) Tƒ‚ (Zn)
côƒèô‰î ªõ‡¬ñ Gø à«ô£è‹
iv) C™õ˜ (Ag)
ð÷ð÷Šð£ù
5 ªõ‡Eø à«ô£è‹
v) îƒè‹ (Au)
ñ…êœ ªð£¡Qøºœ÷ ð÷ð÷Šð£ù
à«ô£è‹. ༰G¬ô : 1063oC
vi) ªð£†ì£Cò‹
¬ì °«ó£«ñ†
(K2Cr2O7)
Ýó…² Gø ð®è‹. ༰G¬ô : 396oC
= ehuhazh - fl;lha jPh;T fzf;Ffs;
PTA Üó²
ðJŸC èí‚°èœ
70 (b) d-njhFjp jdpkq;fs;
1. A vd;w Nrh;kk; kapy;Jj;jk; vd;Wk; miof;fg;gLfpwJ. Fg;hpf; Mf;i]il
ePh;j;j H2SO4-y; fiuj;J A iag; ngwKbAk;. 2300C ntg;gepiyf;F AI
#LgLj;Jk; nghOJ B vd;w epwkw;w Nrh;kj;ij jUfpwJ. B mjpf msT
NH4OH cld; tpidGhpe;J C vd;w mizT Nrh;kj;ijj; jUfpwJ. B
MdJ H2S cld; tpidGhpe;J D vd;w fUik epw tPo;gbit jUfpwJ. A, B,
C, D-ia fz;lwpe;J tpidfis tpsf;Ff.
jPh;T
i. A vd;w Nrh;kk; kapy;Jj;jk; CuSO4.H2O MFk;. ,J Fg;hpf; Mf;i]il
3
=
ehuhazh
- fl;lgha
jPhAgNO
;T fzf;
Ffs;
nts;
ePhnts;
;j;j iel;
hpf; Nmkpyj;
Lj;.j
3 Y}dhh;
fh];bsf;pia
vd;w
sp iel;
ul; Nrh;Jkld;
k; (C)tpidg;
cUthFk;
fh];
f;pia
vd;w
s3AgNO
p iel;
ul;
Nrh;kld;
k; (C)
cUthFk;.
nts;
eP3 hnts;
;j;j iel;
hpf; N3mkpyj;
3Ag +bs4HNO
+ NO
2Otpidg;gLj;j AgNO3 Y}dhh;
39 ++J2H
3Ag +bs4HNO
+ NO
2H
2O cUthFk;
nts;
Nul;
Lp ld;
nghl;
mNahilL
Nrh;j;J
fh];
f;p vd;iel;
w3 nts;
s3AgNO
iel;> N3 ul;
Nrh;kl
k;hrpak;
(C)
.
nts;
pgLj;j
iel;
Nul;3AgNO
Lld;s> p 3 mNahilL
nghl;
hrpak;
mNahilL
Nrh;j;J
tpidg;
3Ag +s4HNO
+ NO
+l
2H
3 pdhy; nts;
2OAgI vd;w Nrh;kk; (D) kQ;rs;
tpidg;
g
Lj;
j
pdhy;
nts;
s
p
mNahilL
AgI
vd;
w
Nrh;
k
k;
(D)
kQ;j
rs;
epw
tP
o
;
g
bthff;
fpilf;
F
k;
.
nts;sp
iel;Nul;Lld;>
nghl;lhrpak;
mNahilL
Nrh;
;J
epw
tPo3 ;g+
fpilf;
Fk;
AgNO
KI jpdhy;
AgI
KNO3
tpidg;
gbthff;
Lj;
nts;
s. p +mNahilL
AgI vd;w Nrh;kk; (D) kQ;rs;
AgNO
KI
AgI
+p KNO
3
(D) nts;
mNahilL
epw
tPo3 ;g+bthff;
fpilf;
Fk;. s
(D) nts;
mNahilL
AgNO3 + KI
AgI s
+p KNO
3
ngah;
(D) nts;sp mNahilL tha;ghL
ngah;
tha;
ghL
mh;n[d;ill;
A
Ag
2S
mh;n[d;
A
Ag
nts;
sp ill;
2SghL
ngah;
tha;
B
Ag
nts;
s
B
Ag
nts;
spp iel;
mh;
n[d;
ill;Nul;
C
AgNO
A
Ag
2S 3
nts;
spp mNahilL
iel;Nul;
C
AgNO
nts;s
D
AgI 3
B
Ag
nts;
s
D
AgI
spp mNahilL
iel;
10.FNuhkpaj;j
pa jhJ
(A)Nul;
Nrhbak; fhh;
gNdlLld;
tWf;fg;gLk;
Cpd Kf;fnts;
AgNO
3
10.FNuhkpaj;
pa(C)I
jhJ
(A) Nrhbak;
gNdlLld;
tWf;fg;Jgld;
Lk;
sp mNahilL
Dpdkw;Kf;
AgI
NghJ (B)j
Wk;fnts;
jUfpwJ.
(B) fhh;
mlh;
fe;jf mkpyj;
NghJ g(B)
Wk;fpa(C)I
(B)
mlh;
fe;jtpidg;
f mkpyj;
ld;
10.FNuhkpaj;
jpd
jhJ jUfpwJ.
(A)
Nrhbak;
gNdlLld;
tWf;
Lk;
tpidg;
Lj;
Jkw;
k; Kf;
NghJ
(D)-iaj;
jUfpwJ.
(D),fhh;
KCl
cld;
gl;f
Lg;Jg
(E)I
tpidg;
Lj;
k;C,NghJ
(D)-iaj;
jUfpwJ.
(D), KCl
NghJ g(B)
WD,
k; kw;
(C)I
(B)
mlh;cld;
fe;jtpidg;
f mkpyj;
ld;
jUfpwJ.
A, J
B,kw;
Wk; E jUfpwJ.
fz;
lwpf. (muR
khjphp
tpdhjhs;
- gI)l;LJ(E)I
jUfpwJ.
A, J
B, C,NghJ
D, kw;(D)-iaj;
Wk; E fz;lwpf. (muR
khjphp
tpdhjhs;
- gI)l;L (E)I
Üó²
ñ£FK
Mù£ˆî£œèœ
I
tpidg;
gLj;
KCl
cld;
tpidg;
FNuhkpaj;
jpd;k; Kf;
fpa jhJ (A) jUfpwJ.
FNuhikl;(D),
MFk;
.FeOCr
2O3
jUfpwJ.
A,
B,
C,
D,
kw;
W
k;
E
fz;
l
wpf.
(muR
khjphp
tpdhjhs;
I)
FNuhkpaj;
j
pd;
Kf;
f
pa
jhJ
(A)
FNuhikl;
MFk;
.
FeOCr
O
3
i. Nrh;kk; (A) Nrhbak; fhh;gNdl;Lld; tWf;fg;gLk; 2 NghJ
(B) (C)-I
i.FNuhkpaj;
Nrh;kk; j(A)
Nrhbak;
fhh;
gNdl;
Lld; MFk;
tWf;f.FeOCr
g;gLk; 2O
NghJ
(B) (C)-I
jUfpwJ.
pd; Kf;
fpa jhJ
(A)
FNuhikl;
3
0
jUfpwJ.
4(FeoCr
O3) +Nrhbak;
8Na2CO3 fhh;
+ 7O
900
1000
C
8Na
CrO
+
2Fe
o
i. Nrh;
kk; 2(A)
gNdl;
L
ld;
tWf;
f
g;
g
Lk;
NghJ
(C)-I
2
2
4
2 (B)
3+8CO
2
4(FeoCr2O3) + 8Na2CO3 + 7O2 900 - 10000C 8Na2CrO
2o3+8CO2
(B) 4 + 2Fe
(C)
jUfpwJ.
(B)f4pwJ.
(C)
fpilf;
ii. 4(FeoCr
(B) MdJ
H2SO
) + 8Na
CO43 cld;
+ 7O2 tpidgLj;
900 - 10000j
C D8Na
+ 2Fe
2O3mlh;
2CrO
2o3+8CO2
SO
cld;
tpidgLj;
j
D
fpilf;
f
pwJ.
ii. 2Na
(B) MdJ
mlh;
H
2
4
Na2Cr2O7 + Na2SO4 + H(B)
(C)
2CrO4 + H2SO4
2O
H2SOH42SO4 cld;
NatpidgLj;
+ H2OfpwJ.
2CrO4 +mlh;
2Cr2O7 + Na
(D)
j2SO
D 4fpilf;
ii. 2Na
(B) MdJ
(D)
iii. 2Na
(D) MdJ
KCl
cld;
tpidgl;
L
(E
)I
jUfpwJ.
CrO
+
H
SO
Na
Cr
O
+
Na
SO
2
4
2
4
2
2 7
2
4 + H2O
iii. (D) MdJ
KCl
cld; tpidgl;L
jUfpwJ.
K2(E
Cr)I
Na2Cr
(D)
2O7 + 2KCl
2O7 +2NaCl
+ 2KCltpidgl;L
K(E)
Cr)I
+2NaCl
Na2CrKCl
2O7 cld;
2(E
2O7jUfpwJ.
iii. (D) MdJ
ngah;
tha;ghL
K(E)
Cr
O
Na2Cr2O7 + 2KCl
2
2 7 +2NaCl
ngah;
tha;ghL
A FNuhikl;
FeoCr
(E)
2O3
FNuhikl;
A
FeoCr
Nrhbak;
FNuhikl;
2O
ngah;
tha;
ghL
B
Na
2CrO
43
Nrhbak;
FNuhikl;
B
Na
CrO
nghpf; Mf;i]L
C FNuhikl;
Fe22O3 2O43
A
FeoCr
nghpf; Mf;
i]L
C
Fe
-il-FNuhNkl;
FNuhikl;
3 2O
D Nrhbak;
Cr
B
Na22O
CrO
47
Nrhbak;
-il-FNuhNkl;
D
Na
Cr
nghl;lMf;
hrpak;
-il-FNuhNkl;
nghpf;
i]L
2O
2O
E
K22Cr
C
Fe
77
32O
lhrpak;
-il-FNuhNkl;
EgOg;nghl;
K2Cr
Nrhbak;
-il-FNuhNkl;
2O
Na
O7L
11.nrk;D
G epwKs;
s (A)
vd;w cNyhfj;ij nrQ;
#
2Cr
2l;
7 epiyf;F #LgLj;j
11.nrk;
Og;nghl;
G epwKs;
s (A)
vd;
ij nrQ;
l;7LePhepiyf;
#LgLj;
j
lhrpak;
-il-FNuhNkl;
K2’B’-I
Cr#
‘B’ Egvd;
w
fUg;
ghd
Nrh;
kw
k; cNyhfj;
cz;lhfpwJ.
;j;j HF2SO
2O
4 cld;
‘B’ gvd;
k;‘C’
cz;
lhfpwJ.
’B’-I
;jl;jhf;F
HFfpwJ.
2SO
4 cld;
11.nrk;
Og;w
G epwKs;
sepwKs;
(A)Nrh;
vd;
cNyhfj;
j nrQ;
LePhepiyf;
#LgLj;
j
tpidgLj;
jfUg;
ePyghd
skw
vd;
wigbfj;
i#
j l;cz;
‘C’I
0
tpidgLj;
ePygggLj;
epwKs;
skk;‘C’
w gbfj;
ij
F
fpwJ.
‘C’I
‘B’
vd;F
w jntg;
fUg;
hd
cz;
lhfpwJ.
ePh;jlk
;jhf;
HjAk;
cld;
2300C-f;
jNrh;
‘D’
vd;
wvd;
ntz;
ik ’B’-I
epwcz;
Nrh;
j;i
C
2SO4> 720
0
2300C-f;
F jjntg;
‘D’
vd;
wvd;
ntz;
ikB,iC,
epwD-I
Nrh;lfz;
khf;
j;i
720
C
tpidgLj;
yggLj;
s ‘C’
w gbfj;
j
cz;
F
fpwJ.
‘C’I
ntg;
ggLj;
kPePz
;LepwKs;
k; j
‘B’-IAk;
jUfpwJ.
A,
LjAk;
gpb.> (khjphp
0
0
ntg;
g
gLj;
j
kP
z
;
L
k;
‘B’-IAk;
jUfpwJ.
A,
B,
C,
D-I
fz;
L
gpb.
(khjphp
230
C-f;
F
ntg;
g
gLj;
j
‘D’
vd;
w
ntz;
i
k
epw
Nrh;
k
j;
i
jAk;
>
720
C
tpdhj;jhs; - II) (khh;r; -10)
tpdhj;
jghs;
r‘B’-IAk;
; -10)
ntg;
ggLj;
j G- kPII)
z(khh;
;Lk;s
jUfpwJ. fhg;
A, g
B,h;. C, D-I fz;Lgpb. (khjphp
i. nrk;
Og;
epwKs;
A vd;w cNyhfk;
i. nrk;
Og;G- #
epwKs;
s
A vd;
w cNyhfk;
gh;. fpwJ.
Üó² ñ£FK
Mù£ˆî£œèœ
II 񣘄&2010
tpdhj;
II)
r; -10)
ii.
A- Ijghs;
nrQ;
l;(khh;
L epiyf;
F #LgLj;
j Bfhg;
fpilf;
ii.
A- Ig+nrQ;
l;L epiyf;
F
#LgLj;
j Bfhg;
fpilf;
i. 2Cu
nrk;
Og;
epwKs;
s A vd;
w cNyhfk;
gh;. fpwJ.
O2G #
1370K
2CuO
O2 #1370K
2CuO
(A)
(#LgLj;
B)
ii. 2Cu
A- I+nrQ;
l;L epiyf;F
j B fpilf;fpwJ.
(A)
( B)i]L (,Uk;G)
Fg;
h
pf;
Mf;
2Cu + O2 1370K
2CuO
Fg;hpf; Mf;
(A)
( B)i]L (,Uk;G)
Fg;hpf; Mf;i]L (,Uk;G)
iii.
iii.
iv.
iv.
iv.
29
29
29
41
= ehuhazh
- fl;lha jPh;T fzf;Ffs;
jUfpwJ. me;j cNyhfj;ij fhw;Wld; ntg;ggLj;Jk;NghJ ‘C’-iaj;
jUfpwJ. A, B, C-I fhz;f. tpidia vOJf. (khjphp
-V)
Üó² tpdhjhs;
ñ£FK Mù£ˆî£œèœ
V
jPh;T :i. xU ePyq;fye;j ntz;ik epw cNyhfk; [pq;f; (Zn) MFk;.
ii. [pq;f; iel;hpf; mkpyj;Jld; tpidgl;L [pq;f; iel;Nul; kw;Wk; A iel;u];
Mf;i]L (N2O) jUfpwJ.
4Zn + 10HNO3 (dil)
4Zn (NO3)2
+ N2 O
+ 5H2O
(A)
iel;u]; Mf;i]L
[pq;f; ePh;j;j iel;hpf; mkpyj;Jld; tpidgLj;Jk;NghJ [pq;f; iel;Nul;>
ePh; kw;Wk; mNkhdpak; iel;Nul; jUfpwJ.
iii. 4Zn + 10HNO3 (very dilute)
4Zn (NO3)2 + NH4NO3
+5H2O
(B)
mk;Nkhdpak; iel;Nul;
iv. [pq;f; cNyhfj;ij fhw;Wld;
Mf;i]L (Zno) jUfpwJ.
2Zn + O2 773K
ntg;ggLj;Jk;NghJ
C
Md
[pq;f;
2ZnO
(C) [pq;f; Mf;i]L
ngah;- fl;lha jPh;T fzf;tha;
ghL
= ehuhazh
Ffs;
iel;u]; Mf;i]L
A
N2O
Nrh;kj;ijAk; jUfpwJ.
A mlh;
iel;
Jld; tpidgl;L NO2 thAit
mNkhdpak;
iel;
Nul;hpf; mkpyj;
B
NH NO
ntsptpl;L Nrh;kk; DͲIf; nfhLf;fpwJ. A,B,Ckw;4Wk; 3DͲIf; fhz;. tpidfisj;
[pq;f; Mf;i]L
Cr;-2010)
ZnO
jUf. (khh;
19.
20. FNuhkpaj;jpd; Üó²
Kf;fpaj;ªð£¶ˆ«î˜¾
jhJthd A iaMù£ˆî£œèœ
cUfpa Nrhbak; fhh;gNdl; cld;
Nrh;j;J tWf;Fk;NghJ Nrh;kk; B fpilf;fpwJ. B ia mlh; fe;jf mkpyj;Jld;
March,
June,
October-2006
2013gLj;j Nrh;kk; D
tpidg;gLj;j Nrh;
kk; C fpilf;
fpwJ.
Cia KCl cld; to
tpidg;
fpilf;fpwJ.
A, B, C kw;Wk; Diaf; fz;lwpe;J tpidfis tpsf;Ff. (m.kh.tp-II)
******************************************
(khh;r;-2011)
1.March - 2012
21.
20. A vd;w jdpkk; njhFjp vz; 12, thpir vz; 4 y; cs;s ePyq;fye;jntz;zpw
cNyhfkhFk;. A mlH H2SO4 cld; SO2I ntspNaw;wp B
NrHkj;ij
jUfpwJ.
NkYk; jdpkk; A NaOH cld; tpidGhpe;J C vd;w NrHkj;ijj; jUfpwJ vdpy; A,
B, kw;Wk; CI fz;lwpe;J tpidfis vOJf. (khh;r;-2012)
i) Zn+2H2So4
ZnSo4 +So2+2H2O
21.(M)rpy;th; (A)
ePh;j;j HNO3 Ald;
tpidGhpe;
(B) J (A) itj; jUfpwJ. Nrh;kk; (A) it 723
K
#LgLj;
j
pdhy;
(B)vd;
w
Nrh;
ijj; jUfpwJ. Nrh;kk; (B) ia NkYk;
Tƒ‚kj;ꙫð†
Tƒ‚
#LgLj;jpdhy; (C) vd;w Nrh;kj;ijj; jUfpwJ. NkYk; Nrh;kk; (A)> KBrTld;
ii) Zn+2NaoH
Na2ZnO
2+H
tpidGhpe;
J (D) vd;w Gifgl njhopy;
gad;
g2Lk; Nrh;kj;ijj jUfpwJ. (A), (B),
(C) jUf. ([Pd;- 2006)
(C) kw;Wk; (D) iaf; fz;lwpf. tpidfis
«ê£®ò‹ Tƒ«è†
22. (M) 12 tJ njhFjpia Nrh;e;j xU jdpkj;jpd; ry;igL jhJ tWf;fg;gl;l NghJ

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