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Njrpa ntspf;fs epiyak; njhz;ilkhdhW

,uz;lhk; jtizg; guPl;ir - 2023
National Field Work Centre, Thondaimanaru.
NFWC 2nd Term Examination - 2023

,urhadtpay; I One Hours

02 T I
Chemistry I
Gr -12 (2024)
gFjp I
 vy;yh tpdhf;fSf;Fk; tpilaspf;Ff.
01) ,yj;jpud; xd;wpd; Vw;wj;ijAk;> ,yj;jpudpd; Vw;wj;jpw;Fk; jpzpTf;Fkhd ( ) tpfpjj;ijAk;
fz;lwpe;j tpQ;Qhdpfs; KiwNa
1) J. J. njhk;rd;> Nfhy;l;iud;
2) NwhNgu;l; kpy;ypf;fd;> N[k;]; rl;tpf;
3) Vd];l; ,ujNghl;> n`d;wp ngf;uy;
4) nwNgu;l; kpy;ypf;fd;> J. J. njhk;rd;
5) ePy;];Nghu;> kf];gpshq;

02) cau;e;jgl;rk; ,yj;jpud;fs; fhzg;glf;$ba rf;jp nrhl;nlz; njhil

1)
2)
3)
4)
5)

03) Kjyhk; madhf;frf;jp mjpfupf;Fk; rupahd xOq;F

1)
2)
3)
4)
5)

04) epiw epiw ( ) tPj nrwpT Mf cila fiury; xd;wpd; mlu;j;jp

,jd; khjpup ePu; Nru;j;J f;F Ijhf;fg;gl;lhy; mjd; nrwpT
,y; (
1) 2) 3) 4) 5)

05) ntg;gepiyapy; ( ) ( ) thA MdJ gpupif mile;J thA Mf NkNy

fhl;bathW khw;wkilfpd;wJ. fdtsTila tpiwj;j nfhs;fyj;jpy; ,g;gpupif jhf;fk;
,lk;ngWfpd;wJ. Muk;gj;jpy; FLitapd; mKf;fk; MfTk; ntg;gepiy MfTk;
fhzg;gl;lJ. gpd; ntg;gepiyia mjpfupj;J ntg;gepiyapy; ,g;gpupif Kw;whf
,lk;ngw;w NghJ mKf;fk; MfTk; fhzg;gl;lhy; I njhlu;GgLj;Jk; rupahd
Nfhit ( ,yl;rpa elj;ij cilad)
1) 2) 3) 4) 5)

Grade - 12 (2024) 2nd term 2023 NFWC 1 ,urhadtpay; - I

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06) fhu cNyhfq;fs; tspAld; jhf;fkilAk; NghJ Njhd;w Kbahj Nru;it

1) 2) 3) 4) 5)

07) ( ) ( ) ( ) Mfpatw;wpd; epak Njhd;wy; ntg;gTs;Siw khw;wq;fs; KiwNa

vdpd; ( ) ,d; epak
jfdntg;gTs;Sia khw;wk; ,y;
1) 2) 3) 4) 5)

08) %d;W gupT fl;likg;Gfis khj;jpuk; fhz;gpf;f $ba %yf;$W mad;

1) 2) 3) 4) 5)

09) gpioahd njhlu;ig Nju;e;njLf;Ff.

1) gq;fl
P ;L ,ay;G
2) gad;gLjUNtw;wk;
3) ika mZtpd; kpd;vjpu; jd;ik ( )
4) gpizg;gpilj; J}uk;
5) gpizg;G Nfhzk;

10) ( ) MdJ ( ) cld; jhf;fk; Gupe;J ( ) I tpisthf jUfpd;wJ. khwh

tspkz;ly mKf;fj;jpy; ntgg;epiyapy; ( ) ,d; MdJ ( ) ,d;
cld; jhf;fk; GupAk; NghJ ,Wjp fyitapd; fdtsT
1) 2) 3) 4) 5)

11) ( ) ( ) ( )

khwh mKf;fj;jpy; ,g;gpupifj; jhf;fk; ,lk;ngwf;$ba ntg;gepiy gw;wpa rupahd $w;W

1) ,Yk; $ba ntg;gepiyapy;
2) ,Yk; Fiwe;j ntg;gepiyapy;
3) ,Yk; Fiwe;j ntg;gepiyapy;
4) ,Yk; $ba ntg;gepiyapy;
5) ,Yk; $ba ntg;gepiyapy;

12) md;dad; xd;iw ,dq;fhz;gjw;fhd gupNrhjidapy; Ijhd Nru;f;Fk; NghJ

khw;wk; vJTk; ,y;iy Mdhy; Ijhd cld; Nru;j;j NghJ thA xd;W
ntspte;jJ. mj;Jld; ,d; Cjhepwk; ePff
; g;gl;lJ vdpd; mjpy; fhzg;gl;l
md;dad;
1) 2) 3) 4) 5)

13) gjg;gLj;jg;gl;l nrhNrr;r]; ,iwr;rpapy; ( ) gf;uPupah Nghd;w Ez;zq;fp

; pia fl;Lg;gLj;j Ngz;nghUshf (
tsu;rr ) gad;gLjj;g;gLfpd;wJ.
khjpupapy; fyf;fg;gl;bUe;jJ vdpd; ,iwr;rpapy; ,Ue;j
,d; msT ,y;
1) 2) 3) 4) 5)

Grade - 12 (2024) 2nd term 2023 NFWC 2 ,urhadtpay; - I

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14) -
( )
NkYs;s khjpupfspd; ePu;ff
; iury;fis xd;Wld; xd;W fyf;Fk; NghJ tPo;gbT Njhd;w
KbahjJ.
1) 2) 3) 4) 5)

15) khjpupia Kw;WKOjhf Mf xl;rpNaw;Wtjw;F Ijhd fye;j

,d; Nru;f;fg;gl;lJ. ,q;F ,d; fiurypd; vd;d
fdtsT fye;jpUe;jhy; jhf;fk; G+uzkhf epfo;e;jpUf;Fk;?
1) 2) 3) 4) 5)

 16 – 20 tiuahd tpdhf;fSf;F gpd;tUk; mwpTWj;jy;fisg; gpd;gw;Wf.

1) 2) 3) 4) 5)
1. (a) ck; (b) ck;2. (b) ck; (c) ck;3. (c) ck; (d) ck; 4. (a) ck; (d) ck; 5. NtW njupTfs;
rupahdit rupahdit rupahdit rupahdit rupahdit

16) fhe;jg; Gyj;jpy; jpUk;giyf; fhz;gpf;ff;$baJ $bad

a) mZtpd; fU
b) Ntfkhf mirAk; GNuhj;jd;
c) mirAk; epA+j;jpud;
d) fjpu;

17) gpd;tUtdtw;Ws; nrwptpay;ghff; fUjg;glf;$baJ vJ vit?

a) jpzpT
b) ntg;gepiy
c) epak ntg;gTs;Siw khw;wk;
d) %yu; fdtsT

18) thA tpjpfSld; njhlu;ghd tiuGfspy; vJ vit rupahdJ rupahdit?

a) V b) P c) P d) V

T(K) V 𝟏 𝒕( )
𝑽

19) gpd;tUk; ntg;g ,urhad nrad;Kiwfspy; vJ vit rupahdJ rupahdit?

a) ,d; rhyf gpupif ntg;gTs;Siw khw;wk; ( ( ) ( ) ( ))

b) ,d; mZthjy; ntg;gTs;Siw khw;wk; ( ( ) ( ))

c) ( ) mZthjy; ntg;gTs;Siw khw;wk;; ( ( ) ( ))

d) ,d; gpizg;G gpupif ntg;gTs;Siw khw;wk; ( ( ) ( ))

20) xNu epwj;ij cila tPog

; bthf mikaf;$bad vJ vit?
a) b) c) d) ( )

Grade - 12 (2024) 2nd term 2023 NFWC 3 ,urhadtpay; - I

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 21 – 25 tiuahd tpdhf;fSf;fhd mwpTWj;jy;.

Kjyhk; $w;W ,uz;lhk; $w;W

1) rup 6. rup jFe;j tpsf;fk;

2) rup 7. rup jFe;j tpsf;fk; my;y
3) rup 8. gpio
4) gpio 9. rup
5) gpio 10. gpio

$w;W - I $w;W - II
21) ntg;gepiyapy; mKf;fj;jpy; fdtsT mjpfupf;Fk; NghJ %yf;$w;W
cs;s ,il ntspfs; mjpfupg;gjdhy; %yf;
( ) ,d; ve;jpug;gpapYk;
$Wfspd; ve;jpug;gp mjpfupf;Fk;.
ghu;f;f ,y; mKf;fj;jpy;
cs;s ( ) ,d; ve;jpug;gp
cau;thFk;.
22) ,d; kpd; vjpu;j;jd;ik ,Yk; ,y; fhzg;gLk; xgpw;wy; fyg;gpy;
,y; cau;T xgpw;wy; rjtPjk; mjpfupf;Fk; NghJ kpd;vjpu;
jd;ik $Lk;.
23) ( ) MdJ ( ) cld; ,f;Fwpj;j jpzpTfspd; jhf;fpfspilNa
jhf;fkilAk; NghJ jhf;fk; epfOk; NghJ ( ) vy;iyg;gLj;Jk;

tpisthf ngwg;gLk;. ) jhf;fpahf cs;sJ.

24) ( ) xl;rpNaw;Wk; fUtpahfTk; MdJ cld; jhf;fkilAk; NghJ
jho;j;Jk; fUtpahfTk; njhopw;gl thAitAk; cld; jhf;fkilAk;
$baJ. NghJ IAk; tpisthf nfhLf;Fk;.
25) xNu ntg;gepiyapy; cs;s ntt;NtW xU ntg;gepiyapy; cs;s ntt;NtW
,yl;rpa thAf;fs; NtWgl;l ,iltu;f;f ,yl;rpa thAf;fs; xNu ,il ,af;frf;jpia
%yf;fjpia nfhz;bUf;fyhk;. cilad.

Grade - 12 (2024) 2nd term 2023 NFWC 4 ,urhadtpay; - I