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  (C) AlNO ₃ (D) Na₃ AlF₆ 6. Uus vd;w IUPAC FwpaPL cila jdpkj;jpd; mZ vz;.

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  ₂) thAit ntsptplhj jd;ik cila cNyhfk; vJ? (A) Nrhbak; (B) nghl;lhrpak; (C) [pq;f; (D) fhg;gh; 10. kpfTk; mjpf vil cs;s cNyhfk;. (A) nkh;f;Fhp (B) lq;f;];ld; (C) rpy;th; (D) M];gpak;

  (A) my;ypNfh]; (B) bA+uhYkpd; (C) `hh;d; rpy;th; (D) Nrhbak; ,urf;fyit 9. ePh;j;jmkpyq;fSld; tpidGhpe;J i`l;u[d; (H

  (A) Nrhbak; (B) fhh;gd; (C) ry;gh; (D) iel;u[d; 8. ghjurj;jpd; (nkh;Fhp) cNyhf fyit vJ?

  (A) 108 (B) 104 (C) 117 (D) 119 7. fPo;fz;ltw;wpy; vJ Mf;]p[Dld; tpidGhpe;J fhu Mf;i]Lfis cUthf;FfpwJ?

  LAB ASSISTANT STUDY MATERIALS PHYSICAL SCIENCE(CHEMISTRY) BY KUMAR M.A.,B.Ed., D.T.ed.,HDCA.(ENGLISH)

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  (A) i`l;u[d; (B) `Pypak; (C) FNshhpd; (D) Mf;]p[d; 5. fPo;fz;ltw;wpy; mYkpdpaj;jpd; Nrh;kq;fspy; jtwhd ,izjpwd; nfhz;lJ vJ?

  (A) ,Uk;G (B) ypj;jpak; (C) Nrhbak; (D) fhh;gd; 4. fPo;fz;ltw;wpy; thAepiy %yf;$W jdpk epiy my;yhj jdpkk; vJ?

  (A) `Pypak; (B) epahd; (C) Nulhd; (D) i`l;u[d; 3. fPo;fz;ltw;wpy; khWgl;l ,izjpwd; (xd;Wf;F Nkw;gl;l) cila jdpkk; vJ?

  1. cNyhftpay; ,sf;fpahf gad;gLtJ vJ? (A) nyl; ry;igL (B) mYkpdpak; Mf;i]L (C) fhy;rpak; Mf;i]L (D) fhg;gh; ry;igL 2. fjphpaf;f jd;ikAs;s thAepiy jdpkk;.

  REFERS From 4 std to 12 th (samaser kalvi books Ntjpapay; - jdpkq;fSk;> Nrh;kq;fSk;

  

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_.

  (A) AlCl ₃ (B) Al₂ (SO₄)₃

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  11. nkz;lyPg; jdpk thpir ml;ltizapy; V A njhFjpapy; cs;s jdpkq;fs; R (N,P,V, etc ) cUthf;Fk; Mf;i]Lfs; kw;Wk; i`l;iuLfspd; nghJthd tha;ghL.

  (A) R ₂O,RH (B) R₂O₃,RH₃ (C) RO₂, RH₄ (D) R₂O₅,RH₃

  12. fPo;fz;l tpidfspy; vt;tpid eilngwhJ? (A) Cu + H

  ₂SO₄(ePh;j;j) → CuSO₄ + H₂ (B) Zn + H

  ₂SO₄(ePh;j;j) → ZnSO₄ + H₂ (C) Mg + H

  ₂O(ePuhtp) → MgO +H₂ (D) 2Na + H

  ₂O → 2NaOH +H₂ 13. mYkpdpak; kpd;dhw; J}a;ikg;gLj;jypy; kpd; gFspahf gad;gLtJ. (A) mYkpdh (B) mYkpdh+ fpiuNahiyl;; (C) mYkpdh+ g;Sh;];ghh; (D) mYkpdh+ fpiuNahiyl; + g;Sh;];ghh; 14. cNyhfq;fis J}a;ikahf;Fk; Kiwfspy; Fiwflj;jpfs;J}a;ikahf;fYf;F cfe;j Kiw. (A) kpd;dhw; gFg;G Kiw (B) JUtKid J}a;ikahf;fy; (C) khz;l; Kiw (D) ngrpkuhf;Fjy;

  15. ‘gpl;r; gpsz;l;‛ vd;gJ vj;jdpkj;jpd; jhJ.

  (A) ANudpak; (B) mYkpdpak; (C) nkh;f;Fhp (D) Nghpak; 16. ‘cg;Gf;fy; ‚ vd;w jhJtpy; cs;sJ vJ?

  (B) AgCl (C) NaCl (D) CaF (A) KCl

  ₂ 17. fhw;wpy;yh #o;epiyapy; tWj;jy; Kiw ve;j tif jhJtpw;f;F nghUe;jhJ? www.TrbTnpsc.com

  (A) fhh;gNdl;Lfs; (B) ePNuw;wkile;j fhh;gNdl;Lfs; (C) ry;igLfs; (D) ePNuw;wkile;j Mf;i]Lfs;

  18. jdpk thpir ml;ltizapy; >njhlhpy; ,lkpUe;J tykhfr; nry;yr; nry;y mjd; cNyhfj; jd;ik.

  (A) FiwfpwJ (B) mjpfhpf;fpwJ (C) mjpfhpj;J FiwfpwJ (D) khw;wkpy;iy 19. yhe;jidLfs; kw;Wk; Mf;bidLfs; nghJthf vt;thW miof;fg;gLfpd;wd?. (A) ,ilepiy jdpkq;fs; (B) cs; ,ilepiyj; jdpkq;fs; (C) gpujpepjpj;Jt jdpkq;fs; (D) fjphpaf;f jdpkq;fs; 20. fPo;fz;ltw;wpy; jdpk thpir ml;ltizapy; njhFjpapd; rpwg;gpay;G my;yhj xd;W( jtwhdJ). (A) njhFjpapy; cs;s jdpkq;fs; mtw;wpd; ,izjpwd; $l;by; xj;j vz;zpf;if vyf;l;uhd;fis ngw;Ws;sd. (B) xU njhFjpapy; cs;s jdpkq;fs; xj;j Ntjpg;gz;Gfis ngw;Ws;sd. (C) xU njhFjpapy; cs;s jdpkq;fspd; mZ MukhdJ NkypUe;J fPohf tUk; NghJ

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  mjpfhpf;fpwJ. (D) xU njhFjpapYs;s jdpkq;fs; xNu cUFepiy>nfhjpepiy> mlh;j;jpia ngw;Ws;sd.

  21. ‘n[h;kd; nts;sp‛ cNyhff; fyitapy; cs;s cNyhfq;fs;.

  (B) Al,Mg,Mn (C) Ag,Cn,Zn (D) Cu,Zn,Sn (A) Cu,Zn,Ni 22. midj;Jf; fhpkr; Nrh;kq;fSf;Fk; mbg;gilahd jdpkk; cs;s njhFjp.

  (A) 15 tJ njhFjp (B) 4 tJ njhFjp (C) 17tJ njhFjp (D) 14 tJ njhFjp 23. fk;gpr; RUs;> kpd;fhe;jk; nra;ag; gad;gLk; ,Uk;G. (A) thh;g;gpUk;G (B) NjdpUk;G (C) v/F (D) JUg;gpbf;fhj v/F 24. jdpkthpir ml;ltizapy; fpilkl;lkhf cs;s njhlh;fspd; vz;zpf;if. (A) 9 (B) 6 (C) 18 (D) 7 25. Fiwflj;jpfspy; (Semi conductor) gad;gLk; jdpkk;. (A) rpy;th; (B) fhg;gh; (C) rpypf;fhd; (D) [pq;f; 26. ry;igL jhJit mlh;gpf;f cfe;j Kiw. (A) Gtp<h;g;G Kiw (B) kpd;fhe;j Kiw (C) JUt Kid J}a;ikahf;fy; (D) Eiu kpjg;G Kiw 27. ehfKyhk; G+Rjy; vd;gJ. (A) cNyhfj;ij nkU$l;l (B) cNyhfj;jpd; fbdj;jd;ik mjpfhpf;f (C) cNyhfj;jpd; tpidjpwid mjpfhpf;f (D) cNyhf mhpkhdj;ij Fiwf;f 28. Mfha tpkhd lah;fspy; epug;g gad;gLk; thA. (A) `pyPak; (B) epahd; (C) Mh;fhd; (D) fphpg;lhd;

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  29. Mf;]p[Ndw;w xLf;f tpidapd;NghJ cNyhfq;fs; nghJthf vk;khw;wj;jpw;f;F cs;shfpwJ? (A) Mf;]p[Ndw;wk; (B) xLf;fk; (C) ke;j jd;ik (D) i`l;u[Ndw;wk;

  30. fPo;fz;ltw;wpy; cNyhff; fyitia cUthf;fk; jd;ik ngw;w mNyhfk; vJ? (A) gh];gu]; (P) (B) iel;u[d; (N) (C) ry;gh; (S) (D) g;@hpd; (F) 31. jdpk thpir ml;ltizapy; cs;s mjpf vyf;l;uhd; fth;jpwd; nfhz;l jdpkk;.

  (A) mNahbd; (B) g;@hpd; (C) FNshhpd; (D) Mf;]p[d; 32. jdpkq;fspy; mjpf vyf;l;uhd; ehl;lk; ngw;w njhFjp jdpkq;fs; N`Nyhn[d;fs; mjpy; mjpf vyf;l;uhd; ehl;lk; cila N`Nyhn[d; vJ?

  (A) g;@hpd; (B) FNshhpd; (C) GNuhkpd; (D) mNahbd; 33. jdpk thpir ml;ltizapy; njhFjpf;Fs; mjpf madpahf;Fk; Mw;wiy ngw;Ws;s jdpkq;fs;. (A) N`Nyhn[d;fs; (B) ke;j thAf;fs; (C) fhu cNyhfq;fs; (D) fhu kz; cNyhfq;fs; 34. fPo;fz;ltw;wpy; Nlhghpd;dh; Kk;ik tpjp nghUe;JtJ. (A) Nrhbak;> epahd;> fhy;rpak; (B) i`l;u[d;> Mf;];[d;> iel;u[d; (C) FNshhpd;> GNuhkpd;> mNahbd; (D) Nghuhd;> fhh;gd;> mYkpdpak;

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  35. i`l;u[d; kw;Wk; `Pypaj;ij jtpu jdpk thpir ml;ltizapy; rpwpa cUtsT nfhz;l jdpkk; (A) ypj;jpak; (B) Mf;]p[d; (C) g;@hpd; (D) FNshhpd; 36. jdpkq;fspd; Kjy; madpahf;Fk; Mw;wy; mjd; ,uz;lhk; madpahf;Fk; Mw;wiy tpl.

  (A) mjpfkhFk; (B) FiwT (C) xNu msT (D) js;sj;jf;fJ 37. jdpk thpir ml;ltizapy; Kw;W ngwhj njhlh;. (A) 5 tJ njhlh; (B) 7 tJ njhlh; (C) 3 tJ njhlh; (D) 4 tJ njhlh; 38. cahpa thAf;fs; (ke;j thAf;fs;) ngw;Ws;s vyf;l;uhd; ehl;l kjpg;G. (A) mjpfk; (B) FiwT (C) G+[;[pak; (D) kpff; FiwT

  39. vyf;l;uhd; fth;jpwdpd; myF vJ? (A) fpNyh[Py; (B) [Py; (C) fp.[Py; Nkhy; -1 (D) myF ,y;iy

  40. AB vd;w %yf;$wpy; A kw;Wk; B d; vyf;l;uhd; fth;jpwd; KiwNa X ᴀ kw;Wk; Xᴃ vdpy;>

  X ᴀ >>Xᴃ vDk; NghJ gpizg;gpd; jd;ik. (A) madpg;gpizg;G (B) KidT rfg;gpizg;G (C) Kidtw;w rfg;gpizg;G (D) cNyhfg;gpizg;G

  41. itl;lkpd; B -12 y; cs;s cNyhfk; vJ? (A) ,Uk;G (B) fhy;rpak; (C) Nfhghy;l; (D) nkf;dPrpak; 42. cNyhf mhpkhdj;ijj; jLf;Fk; Kiwfspy;; rpwe;j Kiw.

  (A) vz;nza; G+r;R (B) cNyhf fyitahf;fy;

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  (C) ehfKyhk; G+Rjy; (D) tz;zg; G+r;R G+Rjy; 43. ,Uk;G JUgpbj;jypy; Nfj;Njhlhf (vjph; kpd;tha;) J}a;ikaw;w ,Uk;Gk; Neh;kpd;thahf (MNdhlhf) J}a ,Uk;Gk; nray;gLk; NghJ kpd;gFspahf nray;gLtJ.

  (A) fhh;ghdpf; mkpyk; (B) ngh;u]; FNshiuL (C) ngh;u]; i`l;uhf;i]L (D) ngh;hpf; FNshiuL 44. Ky;yPfd; mstPL Kiw mstpLk; Mth;j;jd gz;G.

  (A) mZ Muk; (B) madpahf;Fk; Mw;wy; (C) vyf;l;uhd; ehl;lk; (D) vyf;l;uhd; fth;jpwd; 45. jdpk thpir ml;ltizapy; ‘ry;Nfhn[d;fs;;‛ vd;W miof;fg;gLtJ. (A) 18 k; njhFjp jdpkq;fs; (B) 17 k; njhFjp jdpkq;fs; (C) 16 k; njhFjp jdpkq;fs; (D) 14 k; njhFjp jdpkq;fs; 46. i`l;u[Dld; tPhpakhf tpidGhpAk; jdpkk;. (A) g;@hpd; (B) FNshhpd; (C) Mf;]p[d; (D) iel;u[d; 47. (g;iuk; ];Nlhd;) vd miof;fg;gLk; jdpkk;.

  Brim Stone

  (A) Nrhbak; (B) nghl;lhrpak; (C) fe;jfk; (D) gh];gu];

  LAB ASSISTANT STUDY MATERIALS PHYSICAL SCIENCE(CHEMISTRY) BY KUMAR M.A.,B.Ed., D.T.ed.,HDCA.(ENGLISH)

  LAB ASSISTANT STUDY MATERIALS PHYSICAL SCIENCE(CHEMISTRY) BY KUMAR M.A.,B.Ed., D.T.ed.,HDCA.(ENGLISH) 48. cs;spG+z;bd; kzk; nfhz;l jdpkk;.

  1

  61. ‘mUkz; njhFjp jdpkq;fs;‛ vd;wiof;fg;gLtJ (A) S njhFjp jdpkq;fs; (B) M) p njhFjp jdpkq;fs;

  60. Kjy; Mth;j;jd ml;ltizia ntspapl;lth; (A) epA+nyd;l; (B) Nkh];Ny (C) nkz;lyPg; (D) NlhgdPh;

  59. fPo;fz;ltw;wpy; vj;jdpkk; rpy tpyq;Ffspd; fz;zpy; cs;sJ? (A) [{q;f; (B),Uk;G C) fhh;gd; (D) nkf;dPrpak;

  (A) fhg;gh; kPJ nts;sp (B)fhg;gh;kPJFNuhkpak; (C) ,Uk;gpd; kPJ [{q;f; (D) [{q;f; kPJ ,Uk;G

  (A) thh;gpUk;G (B) NjdpUk;G (C) v‡F (D) JUgpbf;fhj v‡F 58. ehfKyhk; G+Rjy; (fhy;tid];) nra;jy; vd;gJ

  1 57. fhh;gdpd; rjtPjk; Fiwthf cs;s ,Uk;G cNyhf;fyit

  2

  3

  4

  3 d ) igNuhYirl; - 4. [{q;f; jhJ D)

  4

  2 c ) mh;n[d;ill; - 3. cyl;bd; jhJ C ) 2

  (A) ntz; gh];gu]; (B) rptg;G gh];gu]; (C) Crp tbt fe;jfk; (D) fsp fe;jfk; 49. ,uj;jk; ciwjypy; gq;Nfw;Fk; madp vj;jdpkk;?

  1

  3

  4 b ) fypdh - 2. khq;fdpR jhJ B ) 4

  2

  1

  A B a b c d a ) fhyikd; - 1. rpy;thpd; jhJ A ) 3

  (A) Mf;]p[d; (B) iel;u[d; (C) i`l;u[d; (D) FNshhpd; 56. nghUj;Jf:

  (A) 1 (B) 2 (C) 4 (D) 6 55. fPo;fz;ltw;wpy; mkpyj;jpd; Kf;fpa gFjpahf cs;s jdpkk;

  (A) ypj;jpak; (B) `{ypak; (C) Nrhbak; (D) Nfhghy;l 54. fhh;gd; mZtpy; cs;s ,izj;jpwd; vyf;l;uhd;fs

  52. jdpk thpir ml;ltidapy; rhpahd ,lk; ,y;yhj jdpkk; vJ? ( A ) ke;jthA (B) N`Nyhn[d; (C) fhucNyhfk; (D) i`l;u[d; 53. fPo;fz;ltw;wpy; vJ cNyhfk; my;y.

  51. jdpk thpir ml;ltidapy; rhpahd ,lk; ,y;yhj jdpkk; vJ? (A) ke;jthA (B) N`Nyhn[d; (C) fhucNyhfk; (D) i`l;u[d;

  (A) Nrhbak; (B) ,Uk;G (C) Nfhghy;l; (D) nghl;lhrpak; 50. fPo;fz;ltw;wpy; er;Rj;jd;ik cila jdpkk;. (A) Mh;rdpf; (B) fhh;gd; (C) Mz;bkd; (D) gp];kj;

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  (C) d njhFjp jdpkq;fs; (D) f njhFjp jdpkq;fs; 62. ,ilepiy jdpkq;fspd; nghJthd vyf;uhd; mikg;G _{2 1-6 1-14 0 , 1 2}

  (A) n s np (B) (n-2) f (n-1)d ns _{2 1 2 1}

• – 10 – 10

  (C) n s (n-1) d (D) ns (n-2) d

  63. Gd;rd; Rlhpy; epwj;ij juf;$ba jdpkq;fs; (A) fhu cNyhfq;fs; (B) fhukz; cNyhfq;fs; (C) ke;jthAf;fs; (D) N`Nyhn[d;fs;

  64. fPo;f;fz;ltw;wpy; xypapd; Ntfk; mjpfkhf ngw;wpUg;gJ (A) ePh; (B) fhw;W (C) ,Uk;G (D) fpuhigl;

  65. ’jhtu Njhl;lq;fspy;‛ cs;s xspUk; tpsf;Ffspy; cs;s thA (A) `{ypak; (B) epahd; (C) Mh;fhd; (D) fphpg;lhd;

  66. fiury; epiyapy; epwKs;s madpfis cUthf;Fk; cNyhfq;fs; cs;s njhFjp jdpkq;fs; (A) S njhFjpjdpkq;fs; (B) p njhFjpjdpkq;fs; (C) d njhFjpjdpkq;fs; (D) f njhFjpjdpkq;fs;

  67. ‘cg;gpdpfs;‛ vd;wiof;fg;gLk; jdpkq;fs; (A) fhu cNyhfq;fs; (B) ke;j thAf;fs; (C) N`Nyhn[d;fs; (D) fhukz; cNyhfq;fs;

  68. fPo;f;fz;ltw;wpy; vj;jdpkk; khWgl;l ,izj;jpwd;fis ngw;Ws;sJ? (A) Nrhbak; (B) fhh;gd; (C) [{q;f; (D),Uk;G

  69. fPo;f;fz;l jdpkq;fspd; Mq;fpyg; ngaNuhL mjd; ,yj;jpd; fpNuf;f ngaNuhL nghUj;Jf:

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  A B a b c d a ) Mz;bkzp - 1. mh;n[d;ld; A)

  2

  3

  4

  1 b ) lq;];ld; - 2. ];Nldk; B )

  3

  4

  2

  1 c ) bd; - 3. cy;guk; C )

  4

  3

  1

  2 d ) rpy;th; - 4. ];Bgpak; D)

  3

  1

  4

  2 70. mZ vz; 114 cila jdpkj;jpd; IUPAC ngahpd; gb FwpaPL

  (A) Uut (B) Uud (C) Uuq (D) Uuo 71. ’kj;jhg;G cNyhfk;‛ vd;wiof;fg;gLtJ

  (A) khq;fdPR (B) nkf;dPrpak; (C) ry;gh; (D) gh];gu]; 72. jPg;ngl;b jahhpj;jypy; gad;gLk; jdpkk;

  (A) fhh;gd; (B) Mz;bkzp (C) gh];gu]; (D) rpypf;fhd; 73. fPo;f;fz;ltw;wpy; vij ntg;gg;gLj;Jk; NghJ ‚Mf;]p[d;‛ thA ntspNaWfpwJ

  (A) nkh;f;Fhpf; Mf;i]L (B) fhy;rpak; fhh;gNdl; (C) fhg;gh; ry;Ngl; (D) [pq;f; ry;Ngl;

  74. nkz;lyPg; jdpkthpir ml;ltizapy; <fh Nghuhd; vd Fwpg;gplg;gl;bUe;j jdpkk;

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  (A) n[h;khdpak; (B) Nfypak; (C) ];Nfz;bak; (D) FNuhkpak; 75. fhw;Wg;gLk;gb jpwe;J itj;jhy; jPg;gw;wp vupAk; gz;igAk; ePUld; tpiutpy; tpidGhpAk; jpwd;ngw;w cNyhfk;.

  (A) nkf;dPrpak; (B) fhy;rpak; (C) &gpbak; (D) Nghpak; 76. fPo;f;fz;ltw;wpy; vJ fhu Mf;i]il fhw;Wld; vupj;J jUfpwJ. (A) Nrhbak; (B) M) fhh;gd; (C) gh];gu]; (D) ry;gh; 77. fPo;f;fz;ltw;wpy; ePUld; tpidGhpAk; cNyhfq;fs; rhpahd nray;jpwd; thpiria Njh;e;njL. (A) Mg <Ca>Na (B) Ca <Mg> Na (C) Na <Ca> Mg (D) Ca <Na> Mg

  78. jdpk thpir ml;ltidapy; ‚N`Nyhn[d;fs;‛ cs;s njhFjp (A) 18-k; njhFjp (B) 17-k; njhFjp ,) 16-k; njhFjp (D)14-k; njhFjp

  79. Kl;ilapy; cs;sJk;> i`l;u[Dld; tpidGhpe;J mOfpa Kl;ilapd; ehw;wKila thAit jUk; jdpkk;.

  (A) ry;gh; (B) gh];gu]; (C) g;Shpd; (D) Mh;rdpf; 80. myq;fhug; nghUl;fs; nra;a gad;gLtJ

  (A) Cu , Ag (B) Cu , Zn , Ni (C) Cu , Zn , Sn (D) Cu , Zn , Pb 81. xU njhFjpapy; cs;s jdpkq;fspd; xj;j Ntjpg;gz;Gfis ngw;Ws;sd> Vnddpy; mtw;wpd; mZ Muk; Vwj;jho rkk; mtw;wpd; cUFepiy nfhjpepiy Vwj;jho xj;Js;sJ. mtw;wpd; ,izjpwd; $l;by; xNu vz;zpf;ifapy; vyf;l;uhidg; ngw;Ws;sJ. mit khWgl;l ,izj;jpwd;fis ngw;Ws;sd. 82. cNyhftpay; ,sf;fpahf gad;gLtJ

  (A) mYkpdh (B) rpypf;fh (C) fhy;rpak; g;@iuL (D) fhy;rpak;Mf;i]L 83. ‘jdpkq;fspd; ,aw;gpay; kw;Wk; Ntjpay; gz;Gfs; mtw;wpd; mZ vz; mbg;gilapy;

  Mth;j;jd Kiwapy; khw;wk; milfpd;wd‛ vd $wpath ; (A) epA+Nyz;l; (B) nkd;lyPg; (C) ytha;rpah; (D) Nkh];Ny

  84. jdpk thpir ml;ltidapy; mjpf vyf;l;uhd; ehl;lk; cs;s jdpkk; (A) mNahbd; (B) g;@hpd; (C) FNshhpd; (D) Mf;]p[d;

  85. fPo;f;fz;ltw;wpy; NlhgdPh; Kk;ig tpjp nghUe;JtJ (A) Nrhbak;> epahd; kw;Wk; fhy;rpak;; (B) i`l;u[d;> Mf;]p[d; kw;Wk; iel;u[d; (C) Nrhbak;> ypj;jpak; kw;Wk; nghl;lhrpak; (D) fhh;gd;> Mf;]p[d; kw;Wk; iel;u[d;

  86. ke;j thAf;fspd; vyf;l;uhd; ehl;lk; kjpg;G (A) mjpfk; (B) FiwT (C) G+[;[pak; (D) kpf mjpfk;

  87. jdpk thpir ml;ltizapy; mjpf madpahf;Fk; Mw;wy; kjpg;GilaJ…

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• – X ^B = 1.7 vdpy; mg;gpizg;G ahJ? (A) rfg;gpizg;G (B) madpg;gpizg;G (C) <jy; rfg;gpizg;G (D) KidTw;w rfg;gpizg;G 89. jdpk thpir ml;ltidapy; (nkd;lypg;) G+[;[pa njhFjp jdpkq;fs; vd;wiof;fg;gl;lJ.

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  (A) fhu cNyhfk; (B),ilepiy jdpkq;fs; (C) N`Nyhn[d;fs; (D) ke;jthAf;fs;

  88. AB ₂ vd;w %yf;$wpy; A-d; vyf;l;uhd; fth;jpwd; X _B vdpy; X _A

  (A) fhu cNyhfq;fs; (B)N`Nyhn[d;fs; (C)ke;jthAf;fs; (D) ry;Nfhn[d;fs; 90. mZ ciyfspy; epA+l;uhd; cwpQ;rpahf gad;gLk; jdpkk;

  (A) nyl; (B) fhh;gd; (C) rpypf;fhd; (D) fhl;kpak; 91. jdpk thpir ml;ltidapy; ‚kpf ePz;l njhlh;‛ vd miof;fg;gLtJ (A) 3-tJ njhlh; (B) 7-tJ njhlh; (C) 6-tJ njhlh; (D) 5-tJ njhlh FNshhpdpd; 92. ,izj;jpwd; 1> Mf;]p[dpd; ,izj;jpwd; 2. ,jpy; Mf;]p[d; A vd;w jdpkj;Jld; ,ize;J

  A ^{2 O 3 vd;w Nrh;kj;ijAk; FNshhpDld; A tpidGhpe;J AC1 2 vd;w Nrh;kj;ijAk; jUk;NghJ A-d;} khWgl;l ,izj;jpwd;fs;.

  (A) 3>4 (B) 3>1 (C) 2>3 (D) 3>2 93. ePUf;fbapy; itj;J ghJfhf;fg;gLk; jdpkk; vJ?

  (A) Nrhbak; (B) ry;gh; (C) gh];gu]; (D) Mz;bkzp 94. ,Uk;G Mf;i]il xLf;FtJ vJ?

  (A) Ns (B) Al (C) Cu (D) pb 95. 98% fhg;gUk; 2% khRfSk; cs;s nfhg;G fhg;giu ve;j Kiwapy; J}z;ik nra;ayhk;?

  (A) cUf;fp gphpj;jy; (B) Gtp<h;g;G Kiwapy; mlh;gpj;jy; (C) kpd;dhw;gFg;G Kiw (D) ng];]pkuhf;Fjy; 96. njhiyf; fhl;rpf; NfhGuq;fs; mikf;fg; gad;gLtJ.

  (A)v‡F (B) NjdpUk;G (C) mYkpdpak; (D) thHgpUk;G 97. jd; mopT ghJfhg;G jdpkk; vd;gJ. (A) Zn (B) Mg (C) Al (D) Fe 98. mjpf msT kpd;rhuk; flj;Jk; cNyhfk;. (A) Cu (B) Al (C) Zn (D) Ag 99. thfdq;fspy; khR fl;LgLj;jpahf nraw;gLtJ. (A) ,Nlhypdpak; (B) ngy;Nyhbak; (C) hpdpak; (D)

  [pHNfhdpak; 100. ePhpy; kpjf;Fk; cNyhfk;.

  (A) i`l;u[d; (B) He (C) Li (D) Be

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  101. Fiw ntg;gepiy ntg;gkhdpapy; cs;sJ.

  (A) Hg (B) jhypak; (C) My;f`hy; (D) GNuhkpd;. _{std std}

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