11 paper

typfhkk; fy;tp tyak;

typfhkk; fy;tp tyak;

tpQ;Qhdk; 2020 myFg;guPl;ir Mrpupau; : jpUkjp.nja;trf;jp n[aghyrpq;fk; ah/];fe;jtNuhjaf;fy;Y}up>Rd;dhfk; juk; : 11 myF : 01 jhtu ,ioaq;fSk; tpyq;F ,ioaq;fSk; VA LI K A M A M 1) mq;fpfspd; clypy; Fwpj;jnthU njhopiy my;yJ gy njhopy;fis Mw;Wtjw;fhf rpwj;jyile;Jk; nghJthd cw;gj;jpj; Njhw;Wthiaf; nfhz;lJkhd fyq;fspd; $l;lk; 1.njhFjp 2.mq;fk; 3.,ioak; 4.mq;fj;njhFjp 2) gpupapioaq;fspd; ,ay;Gfs; gw;wpa jtwhd $w;W 1.rpwpa capUs;s fyq;fshFk;. 2.gr;ira cUkzpfs; fhzg;gLk; 3.ngUksT ,iokzpfs; fhzg;gLk;. 4.Kidg;ghd fU fhzg;gLk;. 3) ,il GFe;j gpupapioak; fhzg;gLk; ,lk; 1.jhtuj;jz;L 2.jhtuj; jz;bd; fZ 3.jhtuj; jz;L Ntupd; cr;rp 4.jhtu Ntu; 4) xNu tifahd fyq;fisf; nfhz;l ,ioak; my;yhjJ 1.vspa epiyapioak; 2.rpf;fyhd epiyapioak; 3.gpupapioak; 4.khwpioak; 5) fPo;tUtdtw;Ws; capUs;s fyq;fis nfhz;lJ/nfhz;lit A – xl;Lf;fytpioak; B – ty;YUf;fytpioak; C – Gilf;fytpioak; 1.A,B 2.A,C 3.B,C 4.A,B,C rup 6) mUfpYs;s fytpioaj;ij ,dq;fhz;f. 1.Gilf;fytpioak; 2.xl;Lf;fytpioak; 3.ty;YUf;fytpioak; 4.cupa ,ioak; 7) gpd;tUtdtw;Ws; fho; ,ioaj;jpd; fyk; my;yhjJ? 1.Fow;Nghyp 2.nea;aupf; Foha; %yfk; 3.fho; ehu; 4.fho;Gilf;fytpioak; 8) khwpioak; fhzg;gLk; jhtuk; 1.njd;id 2.Gy; 3.kh 4.gid 9) gpd;tUtdtw;Ws; ehu;f;fyq;fspd; ,ay;Gfs; 1.fl;Lfshff; fhzg;gLk; 2.ePz;L fhzg;gLk; 3.Kidfs; xLq;fp $uhf fhzg;gLk; 4.Nkw;$wpa ahTk; rup 10) ,U tpj;jpiyj; jhtuq;fspd; mq;Fug; gFjpapy; khj;jpuk; fhzg;gLtJ 1.Gilf;fytpioak; 2.xl;Lf;fytpioak; 3.ty;YUf;fytpioak; 4.fho; ,ioak; 11) Gilf;ftpioak; njhlu;ghf rupahdJ 1.,we;j ,ioak; 2.fyj;jpilntsp ,y;iy 3.,ypf;dpd; gbT cz;L 4.xspj; njhFg;ig Nkw;nfhs;sy; 12) gpd;tUk; fho; ,ioa tiffspy; capu; cs;sJ vJ? 1.fho;fyd; 2.Fow;Nghyp 3.fho;ehu; 4.fho;Gilf;fytpioak; 13) Nkyzpapioaj;jpd; ,ay;Gfs; my;yhjJ 1.fyq;fs; mbj;js nkd;rt;tpd; Nky; fhzg;gLk; 2.FUjp tpepNahfk; mw;wit. 3.euk;G tpepNahfk; mw;wit. 4.fyq;fs; neUf;fkhf mLf;fg;gl;bUf;Fk;. 14) Nkyzp ,ioaj;jpd; miktplq;fs; A – Fujp kapu;f;Fohapd; Rtu; B – ijnuhapl;L Rug;gp C - %f;Ff; Fopapd; glyk; D – Njhypd; Nkw;Nwhy; 1.A,B rup 2.B,C,D rup 3.A,C rup 4.ahTk; rup 

15) Nkyzp ,ioaj;jpd; njhopy;fs; my;yhjJ

1.ghJfhg;ig toq;Fjy; 2.mfj;JwpQ;ry; 3.nfhz;L nry;yy; 4.tbfl;ly; 16) fPo;tUtdtw;Ws; njhLg;gpioa tif my;yhjJ 1.vd;G ,ioak; 2.euk;gpioak; 3.FUjp ,ioak; 4.frpapioak; VA LI K A M A M 17) gpd;tUtdtw;Ws; gpw nghUl;fis jpz;Fopar; nray; %yk; mopf;Fk; fyk; 1.nrq;Fopak; 2.FUjpr;rpWjl;L 3.ntz;Fopak; 4.euk;Gf;fyk; 18) kokog;ghd jir fhzg;gLk; ,lk; my;yhjJ 1.czTf;fhy;tha; 2.rpWePu;g;ig 3.Nghkdpd; ciw 4.FUjpf;fyd;fspd; Rtu; 19) euk;Gf; fyj;jpy; kaypd; ftrk; fhzg;gLtJ 1.cl;fhT euk;G Kis 2.ntspf;fhT euk;G Kis 3.fyTld; 4.,uz;tpaupd; fZ 20) KOikahf ika euk;Gj; njhFjpapy; fhzg;gLk; euk;Gf; fyk; / fyq;fs; 1.,ilj;J}J euk;Gf;fyk; 2.,af;f euk;Gf; fyk; 3.,ilj;J}J euk;Gf;fyk;> ,af;f euk;Gf;fyk; 4.Gyd; euk;Gf;fyk;> ,af;f euk;Gf;fyk; 21) kpd;dpurhad fzj;jhf;fq;fis flj;j cjTk; ,ioak; 1.euk;gpioak; 2.Nkyzp ,ioak; 3.njhLg;gpioak; 4.jirapioak; 22) jdpf;fU nfhz;l fpis nfhz;l jirapioak; 1.td;$l;Lj;jir 2.,jaj;jir 3.kokog;ghd jir 4.fl;jir 23) gpd;tUtdtw;Ws; Gj;Japu;g;G mila Kbahj fyk; 1.Nkyzpf;fyk; 2.jirf;fyk; 3.euk;Gf;fyk; 4.FUjpf;fyk; 24) ,af;f euk;Gf; fyj;jpd; cl;fhT euk;G Kisfs; mikAk; ,lk; 1.tpisT fhl;b mq;fq;fspy; 2.Gydq;fq;fspy; 3.ika euk;Gj; njhFjpfspy; 4.Kz;zhd; euk;Gfspy; 25) FUjpia ikaePf;fk; nra;J Xa;thf itf;Fk; NghJ njspthd ,uz;L gilfshff; fhzg;gLk; Fohapd; mbapy; gbAk; gjhu;j;jk; njhlu;ghf jtwhd $w;W 1.fLk; rptg;G epwkhd n[yl;bd; Nghd;wJ 2.45% FUjpr; rpWJzpf;iffs; fhzg;gLk;. 3.55% FUjpj;jput ,ioakhFk;. 4.nrq;FUjpf;fyk;>ntz;FUjpf;fyk;>FUjpr;rpWjl;L vd;gd fhzg;gLk;. mikg;G tpdhf;fs; 1) A) A B C 1.NkNy jug;gl;l vspa epiyapioaq;fis ,dq;fz;L mtw;wpd; njhopy;fisj; jUf. ,ioak; njhopy; A) …………………………………………………………. ……………………………………………………………………………………. B) …………………………………………………………. ……………………………………………………………………………………. C) ………………………………………………………….. ……………………………………………………………………………………. 

2.A)fl;likg;G C apd; 2 gpupTfs; vit?

………………………………………………………………………………………………….. ………………………………………………………………………………………………….. B) fl;likg;G C apd; fyr;Rtupd; $Wfs; vit? ………………………………………………………………………………………………….. C)fl;likg;G C ,we;j ,ioakhf fUj fhuzk; ahJ? ………………………………………………………………………………………………….. B) A D A M A M C VA LI K B 1) NkNy jug;gl;l fl;likg;ig ,dq;fhz;f. ………………………………………………………………………………… 2) jug;gl;l fl;likg;gpy; A,B,C,D I ngaupLf. A - ……………………………………………………………… B - ………………………………………………………………. C - ……………………………………………………………… D - ……………………………………………………………............................... 2) A)1) 1)mUfpYs;s ,ioak; vt;tif ,ioak;? ………………………………………………………….. 2) 1 – 3 gFjpfisf; Fwpf;Ff. 1 - ……………………………………………….. 2 - ………………………………………………… 3 - …………………………………………………. 3) NkYs;s ,ioaj;jpd; ,ay;Gfs; 02 Fwpg;gpLf. ………………………………………………………………………………………….. …………………………………………………………………………………………… 

4) ,t; ,ioak; fhzg;gLk; ,lq;fs; 02 jUf.

………………………………………………………………. ………………………………………………………………. 5) ,t; ,ioaj;jpd; njhopy;fs; 02 Fwpg;gpLf. ……………………………………………………………………………………………….. ………………………………………………………………………………………………… 2)nghUj;jkhd nrhw;fisf; nfhz;L ,ilntsp epug;Gf. ………………………………….. xU tpNrl tif………………………………………. MFk;. FUjpf;fyq;fspdhy; ……………………………………………. Ruf;fg;glhik tpNrl ,ay;G. ,t; ,ioaj;jpy; ……………………………………… gha;kj;jhyhd jputj; jhaj;ijAk; ,jdpy; njhq;fy; epiyapy; ……………………………. ………………………………………fy mikg;gw;w fyj; Jz;Lfshy; Mfpa ………………………………….. vd;git fhzg;gLk;. …………………………….. clYf;F ghJfhg;ig toq;Fk;.,J gpw nghUs;fis …………………………….. nray; %yk; mopf;Fk;. mj;Jld; …………………………………… fis cUthf;Fk;. B) A M A M B C K A D VA LI 1)jug;gl;l ,ioaj;jpd; fl;likg;ig ,dq;fhz;f. …………………………………………………………………………. 2)A,B,C,D I ngaupLf. A - …………………………………………………………………… B - ……………………………………………………………………. C - …………………………………………………………………… D - ………………………………………………………………….. 3) C, B apdJ njhopy;fisf; Fwpg;gpLf. B - ……………………………………………………………………………………………………………………………………….. C - ……………………………………………………………………………………………………………………………………….. 4)cupa ,ioaj;jpD}lhf flj;jg;gLk; ,Urf;fiul;ilg; ngaupLf. ………………………………………………………………………………………………… 

fl;Liu tpdhf;fs;

1)gy fyKs;s mq;fpfspy; fyq;fs; mtw;wpd; gy;NtW nray;fis epiwNtw;Wtjw;F ,ioaq;fshf mike;Js;sd. A) 1.,ioak; vd;gjd; fUj;ij tpsf;Ff. 2.jhtu clypy; Nkw;Nwhy;>cupak;>fho; Mfpa ,ioaq;fs; xt;nthd;wpdhYk; epiwNtw;wg;gLk; xt;nthU njhopiy vOJf. 3.m.fho; ,ioaj;ij cupa ,ioaj;jpypUe;J NtWgLj;jp ,dq;fhzj;jf;f xU fl;likg;G ,ay;ig vOJf. M.fho; ,ioaj;jpd; %yk; epiwNtw;wg;gLk; vj; njhopYf;fhf NkNy(m) ePu; Fwpj;j fl;likg;G ,ay;G Kf;fpaj;Jtk; tha;e;jnjdf; Fwpg;gpLf. B)kdpjd; jd; Njitfis epiwNtw;Wtjw;F gy;NtW nraw;ghLfspy;

3) jug;gl;l Nfhl;L tupglj;ij g+u;j;jp nra;f.

,ioak; A tpyq;fpioak; B vspa epiyapioak; gpupapioak; C D E czitf; flj;jy; LI K A M A M A – E tiu ngaupLf. Ks;se;jz;Ls;s tpyq;Ffspy; fhzg;gLk; ehd;F tifahd ,ioaq;fSk; vit? NtWgl;l tifahd jhaj;jpDs; mkpo;e;j fyq;fisAk; ehu;fisAk; nfhz;l ,ioak; vJ? mt;tpioaj;jpd; njhopy;fs; 02 jUf. kdpj clypy; fhzg;gLk; njhLg;gpioaq;fs; 02 Fwpg;gpLf. FUjp xU tpNrl njhLg;gpioakhff; fUjg;gLtjw;fhd fhuzk; vd;d? FUjp ,ioaj;jpy; vr;re;ju;g;gj;jpy; ehu;fs; cUthFk;? Nkyzp ,ioaj;jpw;Fk; njhLg;gpioaj;jpw;Fk; ,ilapyhd xw;Wik xd;wpidAk; NtWghL xd;wpidAk; Fwpg;gpLf. VA 1. 2. 3. 4. 5. 6. 7. 8. ePiuf;flj;jy; 

typfhkk; fy;tp tyak;

tpQ;Qhdk; 2020 myFg;guPl;ir Mrpupau; : jpUkjp.nja;trf;jp n[aghyrpq;fk; ah/];fe;jtNuhjaf;fy;Y}up>Rd;dhfk; juk; : 11 myF : xspj;njhFg;G kpfg; nghUj;jkhd tpilapd; fPo;f; NfhbLf. A. fPOs;s czTr;rq;fpypia mtjhdpj;J 1>2 tiuahd tpdhf;fSf;F tpil jUf. Gy; ntl;Lf;fpsp jtis ghk;G 01. jw;Nghrzp vJ? 1. Gy; 2. ntl;Lf;fpsp 3. jtis 02. gpwNghrzpahf mikaf;$baJ. 1. ntl;Lf;fpsp 2. jtis 3. ghk;G 03. gr;iraj; jhtuq;fspy; fhgd; gjpf;Fk; nrad;Kiw 4. ghk;G 4. Nkw;$wpa ahTk; 4. flj;jy; 4. ahTk; rup A M 1. Rthrk; 2. mfj;JWQ;ry; 3. xspj;njhFg;G 04. xspj;njhFg;G mjpfk; eilngWk; jhtug;gFjp 1. ,iy 2. jz;L 3. Ntu; 05. fPo; jug;gl;l $w;Wf;fspy; rupahd $w;W gUe;J M a. gr;irj; jhtuq;fs; xspj;njhFg;G nra;tjhy; jw;Nghrzp vd miof;fg;gLk;. LI K A b. ePu; tl;lj;jpy; xspj;njhFg;Ng ngUk; gFjp tfpf;fpd;wJ. 1. a , b rup 2. a , c rup VA c. jhtuq;fspy; fhNghitjNuw;W fpisNfh[d; tbtpy; Nrfupf;fg;gLk;. 3. a kl;Lk; rup 4. a , b , c ahTk; rup 06. gpd;tUtdtw;Ws; vit jw;Nghrzpfs; a. kJtk; 1. a Ak; c Ak; b. gid 2. a Ak; d Ak; c. FUtpr;ir 3. c Ak; d Ak; d. f ;Fl;lh 4. b Ak; c Ak; 07. xspj;njhFg;gpw;F mtrpakhd mff;fhuzp 1. gr;irak; 2. #upa xsp 3. ePu; 4. fhgdPnuhl;irl; 08. gpd;tUk; xspj;njhFg;G epfOk; fyg;Gd;dq;fk; vJ? 1. ,iokzp 2. gr;iraTUkzp 3. iugNrhk; 4. nfhy;fpAly; 09. gpd;tUk; capu;r; nrad;Kiwfspd; NghJ fhgdPnuhl;irl; thA cs;nsLf;fg;gLtJk; ntsptplg;gLtJk; KiwNa 1. xspj;njhFg;G> jfdk; 2. Rthrk;> jfdk; 3. xspj;njhFg;G> MtpAapu;g;G 4. xspj;njhFg;G> Rthrk; 10. kz;zpypUe;J cwpQ;rg;gLk; ePu; fho; tiu nfhz;L nry;yg;gLk; xOf;fk; rupahff; Fwpg;gJ vJ? 1. Ntu;kapu; Nkw;gl;il mfj;Njhy; guptl;lTiw fho; 2. Ntu;kapu; mfj;Njhy; Nkw;gl;il guptl;lTiw fho; 3. Ntu;kapu; mfj;Njhy; fho; Nkw;gl;il guptl;lTiw 4. fho; Ntu;kapu; Nkw;gl;il mfj;Njhy; guptl;lTiw 

11. khg;nghUis ,dq;fhzg; gad;gLj;Jk; Nrjizg;nghUSk; mjd; epwKk;

1. ngdbf; fiury; - ePyk; 3. gPypq;fpd; fiury; - ePyk; 2. maBd; fiury; 4. #lhd; III - rptg;G - fgpyk; 12. xspj;njhFg;gpw;Fj; Njitahd fhuzp xd;iw ,dq;fhz;gjw;fhf Nkw;nfhs;s gupNrhjiz xd;wpy; gad;gLj;j Ntz;ba ,urhadg; gjhu;j;jKk; fhuzpAk; 1. KOH, CO2 3. CaCO3, CO2 2. KOH, H2O Ntz;ba 4. CuSO4, H2O 13. xspj;njhFg;gpd; NghJ Vw;gLk; rf;jpkhw;wk; 1. xspr;rf;jp ntg;grf;jp 3. xspr;rf;jp mOj;jrf;jp 2. xspr;rf;jp kpd;rf;jp 4. xspr;rf;jp ,urhadrf;jp 14. xspj;njhFg;gpw;fhf mjpfk; mfj;JWQ;rg;gLk; #upa xspapd; epwq;fs; 1. rptg;G> ePyk; 3. gr;ir> ePyk; 2. rptg;G> gr;ir 4. gr;ir> Cjh 15. xspj;njhFg;gpw;F mtrpakhd fhuzpfspy; rhjhuz epge;jidfspd; fPo; guPl;rpj;Jf; fhl;l Kbahj fhuzp 1. fhgdPnuhl;irl; 2. #upaxsp 3. gr;irak; 4. ePu; 16. xspj;njhFg;gpw;F ePu; mtrpak; vd;gij vLj;Jf;fhl;lg; gad;gLj;jg;gLk; rkjhdp 1. 2 H 18 O 8 3. 14C 4. 3H 6 1 M 1 2. VA LI K A M A 17. khg;nghUSf;fhd maBd; Nrhjidapd; NghJ ,iyapy; CLGftpLk; jd;ikia mjpfupg;gjw;fhf ,iy 1. ePupy; mtpf;fg;gLk; 3. kJrhuj;jpy; mtpf;fg;gLjy; 2. ePupdhy; fOtg;gLk; 4. ahJky;y 18. xspj;njhFg;gpw;F mtrpakhd fhuzpfisg; guPl;rpf;Fk; NghJ jhtuj;ij 48 kzpj;jpahyk; ,Uspy; itf;ff; fhuzk;> ,iyapYs;s 1. ePiu mfw;w 3. khg;nghUis mfw;w 2. gr;iraj;ij mfw;w 4. ahTk; rup 19. xspj;njhFg;gpd; gpujhd tpisnghUs; flj;jg;gLk; tbtk;> Nrkpf;fg;gLk; tbtk; KiwNa 1. FSf;Nfh];> khg;nghUs;> Rf;FNuh]; 2. Rf;FNuh];> FSf;Nfh];> khg;nghUs; 3. khg;nghUs;> Rf;FNuh];> FSf;Nfh]; 4. FSf;Nfh];> Rf;FNuh];> khg;nghUs; 20. xspj;njhFg;gpd; Kf;fpaj;Jtk; 1. czTj; Njitiag; g+u;j;jp nra;jy; 2. fhgd; tl;lj;ijg; Ngzy; 3. O2, CO2 rkepiy Ngzy; 4. ahTk; rup 

21. ntz;zpwKk; gr;irepwKk; cs;s xU jhtu,iy jhtuj;jpy; ,Uf;Fk; NghJ gpd;tUkhW jahu;

nra;ag;gl;L xU jpwe;j ,lj;jpy; itf;fg;gLfpd;wJ.,uz;L ehl;fSf;Fg; gpd;du; mj;jhtu ,iy mj;jhtuj;jpypUe;J mfw;wg;gl;L khg;nghUSf;fhfr; Nrhjpf;fg;gl;lJ. Nrhjidapd; gpd;du; ,t;tpiy gpd;tUk; vt;tpjj;jpy; Njhw;wyhk;? fWg;G / ePyk 1 2 3 4 22. xspj;njhFg;Gj; njhlu;ghfg; gpd;tUk; vf;$w;W ngha;ahdJ? 1. xspj;njhFg;G nraw;if Kiwahf eilngwj;jf;fJ. 2. xspj;njhFg;gpy; #uparf;jp ,urhad rf;jpahf khw;wg;gLk;. 3. xspj;njhFg;gpy; xU tpisnghUshf O2 thA cw;gj;jp nra;ag;gLfpd;wJ. 4. xspj;njhFg;gpy; cw;gj;jp nra;ag;gLk; FSf;NfhR ,iyfspy; khg;nghUshfj; jw;fhypfkhfj; Nrhjpf;ifapy; maBDld; A 1. khg;nghUSf;fhfr; M Njf;fp itf;fg;gLfpd;wJ. 23. jhtu ,iyia khg;nghUSf;fhfr; Nrhjpf;ifapy; mJ ePupy; mtpf;fg;gl;l gpd;du; mw;fNfhypy; mtpf;fg;gLtjw;Ff; fhuzk; Cjhepwk; cz;lhtjw;F alcohol VA LI K A M Njitg;gLfpd;wik. 2. khg;nghUs; mw;fNfhypy; fiufpd;wikahy; maBd; Nrhjidapd; NghJ Cjhepwj;ij ed;whfg; ghu;f;f$bajhf ,Uf;fpd;wik. 3. ,iyfis mtpj;j gpd;du; fyq;fs; ,wf;Fk; mNjNtis mw;fNfhy; ,iyfspDs;Ns ed;whfg; gLfpd;wik. 4. ,iyfis mtpj;j gpd;du; mtw;wpYs;s gr;irak; mw;fNfhypy; fiue;J ,iyfspypUe;J mfw;wg;gLfpd;wik. 24. CO2 gjpf;fg;gLk; Kiw my;yhjJ 1. xspj;njhFg;G %yk; 2. jhtu> tpyq;F Rthrk; 3. jhtuq;fis cz;Zk; tpyq;FfSs; gjpf;fg;gl;l fhgd; czthf cl;nry;yy; 4. ngw;Nwhypak;> epyf;fupapy; 25. xspj;njhFg;gpw;Fj; Njitahd fhuzpfspy; Vidatw;iw tpl NtWgl;l jd;ikAila fhuzp 1. CO2 2. H2O 3. xsp 4. FNshugpy; 

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