OL Chemistry Paper

sravieendiran  SLTS2ii Sp Tr. SC                 j                               CHEMISTRY

 vy;yhtpdhf;fSf;Fk; tpil jUf.                                                

1.  X  vDk; %yfj;jpd; mZvz;   12 . jpzpntz;  24.

1. mjd; ,yj;jpud; guk;giy vOJf.

2. epa+j;jpudpd; vz;zpf;if ahJ ?

3. mjd; $l;lk; > Mth;j;jdk;  ahJ  ?

4. tYtsT ahJ?

5. ,J FNshupDld; jhf;fKw;W Mf;Fk; Nrh;itapd; #j;jpuk; ahJ ?

6. mij vupj;J mjd;  xl;irl;ilg; ngwyhk;. 12 fpuhk; vupf;fg;gl;lhy; fpilf;Fk; xl;irl;bd; epiw ahJ ?  (    X  24 ,   O – 16  ).

2. 1. tspapy; mjpf rjtPjk; fhzg;gLk; thA vJ ?

 2. njspe;j Rz;zhk;G ePupDs;  tspia njhlh;r;rpahf nrYj;jpa NghJ ghy;epwk; Njhd;wpaJ.

vdNt tspapy; cs;s thA vJ ?  ,jd; jhf;fr; rkd;ghLfis vOJf.

3. mg;gr;Nrhlhtpd; > ryitr;Nrhlhtpd; ,urhadg;ngah;  > mjd; FwpaPl;ilj; jUf.

4. mYkpdpak; Xl;rprDld; jhf;fKw;W cUthFk; Nrh;itapd; #j;jpuk; ahJ ?

5.   NaCl , CCl₄  Mfpa Nrh;itfspy; fhzg;gLk; gpizg;Gfs; ahJ ?

6.  Li. Na  , K, Mg  Nghd;wit Rthiyr; Nrhjidapy; tpilaspf;Fk; epwq;fs; ahJ ?

7.

 Nkw;fhl;lg;gl;l Kiwfspy; Nrfupf;fg;gLk; thAf;fs; xt;Nthd;W jUf.

8. ePyepw nrg;Gr; ry;Ngw;Wg; gspq;if ntg;gkhf;Fk; nghJ Nts;is epwkhf khWk; .  ,jw;Ff; fhuzk; ahJ ?

3. ,Uk;G Jug;gbj;jypdhy; ehk; mjpf gpur;ridfis  vjph;Nehf;Ffpd;Nwhk;.

1.,Uk;gpd;  ,urhadf;FwpaPL ahJ ?

2. ,Uk;G Jug;gpbj;jYf;F mtrpakhd fhuzpfs;  vit ?

3.  ,Uk;G  Jug;gpbj;jiy J}z;Lk; fhuzpfs; ahit ?

4. ,Uk;G Jug;gbj;jYf;F ePh; mtrpak; vdf;fhl;l vspa gupNrhjid xd;W jUf.

5.  ,Uk;G JUg;pgbj;jypy; mNdhl;Lg; gpuNjrk; Xl;rpNaw;wk; eilNgwk;. ,j;jhf;fk; ahJ ?

6.  fNjhl;Lg; gpuNjr jhf;fk; ahJ ?

7. ,Uk;G JUg;gpbj;jy; vt;tifahd jhf;fkhFk; ?

8.                                            

                                                A                      B                 C

  Nkw;gb glj;jpy; fhzg;gLk; ,Uk;ghzp JUg;gpbj;jpUf;Fkhdhy; gpNdhg;jypd; nghl;lhrpak; ngupraidl;L Vfhh; Clfj;jpy;  vOj;Jf;fs; Fwpf;fFk; epwk; ahJ ?

 9.       A -,Uk;ghzp                                B-  ehfj;Jz;L                             C -  nrk;Gj;Jz;L

                       

    A                   B                                                           A                  C       

Nkw;gb gupNrhjid gpNdhg;jypd;  nghl;lhrpak; ngupraidl;L Vfhh; Clfj;jpy; nra;ag;gLkhapd; mtjhdk; ahJ ?

10. ,Uk;G JUg;gbj;jiyf; fl;Lg;gLj;jJk; Kiwfisg; gpNuupf;Ff.

11. JUtpd; epwk; > ,urhadf;FwpaPL ahJ ?

4    m) ml;ltiziag; gad;gLj;jp tpdhf;fSf;F tpil jUf.( epakf;FwpaPLfs; my;y)

%yfk;	A	B	C	D	E	F	G
mZntz;	8	11	13	8	19	20	10
jpzpntz;	16	23	27	17	38	40	20

1.        Rkjhdp %yfq;fs; vit ?

2.      1 k; $l;lj;ijr; Nrh;e;j %yfj;ijj; jUf.

3.       C . F %yfq;fspd; ,yj;jpud; epiyaikg;igj; jUf ?

4.       D. E. F %yfq;fspd; tYtsTfisj; jUf. ?

5.       rlj;Jt %yfk; ahJ ?

6.       A.C Mfpait NrUk;NghJ cUthFk; Nrh;itapd; #j;jpuk; ahJ ?

M)    1.  tYtsT vd;why; vd;d ?

            2. mZntz; 13. nfhz;l %yfj;jpd; tYtsT ahJ ?

            3. ,k;%yfk;  FNshupDld; Mf;Fk; Nrh;itapd; #j;jpuk; ahJ ?

         4.  X vDk; %yfk;  xl;rprDld; Mf;Fk; Nrh;itapd; #j;jpuk;  X₂O.  ,Nj %yfk;                     ry;Ngw;W %ypfj;Jld; Mf;Fk; Nrh;itapd; #j;jpuk; ahJ ?

,)

1.        0.5 %y;  CaCO₃  d; jpzpT ahJ ? (Ca-40. O-16. C-12)

2.      22 fpuhk; CO₂   y; cs; s %yf;$Wfspd; vz;zpf;if ahJ ?

3.       H₂SO₄   d; rhh;%yf;$w;Wj; jpzpT ahJ ? (H-1, S-32, O-16)

5.                     1. jfdk; vdg;gLtJ ahJ ?

                    2. jfdj;Jiz> Jizapyp thAf;fs; vit ?

                    3. jP Kf;Nfhzj;jpd; $Wfs; vit ?

                    4. jPaizj;jypy; ifahsg;gLk; jj;Jtk; ahJ ?

                    5. jPaiz fUtpfspd; tiffs; vit ?

                    6. XNthh; jPaiz fUtpfSk; vt;tifj; jPia mizf;Fk; vd;gijj; jUf ?