LAB ASSISTANT STUDY MATERIALS PHYSICAL SCIENCE(CHEMISTRY) BY KUMAR M.A.,B.Ed., D.T.ed.,HDCA.(ENGLISH) Page 1
LAB ASSISTANT PHYSICAL SCIENCE(CHEMISTRY)
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Ntjpapay; - jdpkq;fSk;> Nrh;kq;fSk;
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;.
(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? (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) 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) AlCl₃ (B) Al₂ (SO₄)₃ (C) AlNO₃ (D) Na₃ AlF₆
6. Uus vd;w IUPAC FwpaPL cila jdpkj;jpd; mZ vz;.
(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? (A) Nrhbak; (B) fhh;gd; (C) ry;gh; (D) iel;u[d;
8. ghjurj;jpd; (nkh;Fhp) cNyhf fyit vJ?
(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; (H₂) 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;
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LAB ASSISTANT STUDY MATERIALS PHYSICAL SCIENCE(CHEMISTRY) BY KUMAR M.A.,B.Ed., D.T.ed.,HDCA.(ENGLISH) Page 2 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) R₂O,RH (B) R₂O₃,RH₃ (C) RO₂, RH₄ (D) R₂O₅,RH₃
12.fPo;fz;l tpidfspy; vt;tpid eilngwhJ? (A) Cu + H₂SO₄(ePh;j;j) →CuSO₄ + H₂ (B) Zn + H₂SO₄(ePh;j;j) → ZnSO₄ + H₂ (C) Mg + H₂O(ePuhtp) →MgO +H₂ (D) 2Na + H₂O →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?
(A) KCl (B) AgCl (C) NaCl (D) CaF₂
17.fhw;wpy;yh #o;epiyapy; tWj;jy; Kiw ve;j tif jhJtpw;f;F nghUe;jhJ? (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; $l;by; xj;j vz;zpf;if
vyf;l;uhd;fis ngw;Ws;sd.
(B) xU njhFjpapy; cs;s jdpkq;fs; xj;j Ntjpg;gz;Gfis ngw;Ws;sd.
(C) xU njhFjpapy; cs;s jdpkq;fspd; mZ MukhdJ NkypUe;J fPohf tUk; NghJ www.Padasalai.Net www.TrbTnpsc.com
LAB ASSISTANT STUDY MATERIALS PHYSICAL SCIENCE(CHEMISTRY) BY KUMAR M.A.,B.Ed., D.T.ed.,HDCA.(ENGLISH) Page 3
mjpfhpf;fpwJ.
(D) xU njhFjpapYs;s jdpkq;fs; xNu cUFepiy>nfhjpepiy> mlh;j;jpia ngw;Ws;sd. 21.‘n[h;kd; nts;sp‛ cNyhff; fyitapy; cs;s cNyhfq;fs;.
(A) Cu,Zn,Ni (B) Al,Mg,Mn (C) Ag,Cn,Zn (D) Cu,Zn,Sn
22.midj;Jf; fhpkr; Nrh;kq;fSf;Fk; mbg;gilahd jdpkk; cs;s njhFjp.
(A) 15 tJ njhFjp (B) 4 tJ njhFjp (C) 17tJ njhFjp (D) 14 tJ njhFjp
23.fk;gpr; RUs;> kpd;fhe;jk; nra;ag; gad;gLk; ,Uk;G.
(A) thh;g;gpUk;G (B) NjdpUk;G (C) v/F (D) JUg;gpbf;fhj v/F 24.jdpkthpir ml;ltizapy; fpilkl;lkhf cs;s njhlh;fspd; vz;zpf;if.
(A) 9 (B) 6 (C) 18 (D) 7
25.Fiwflj;jpfspy; (Semi conductor) gad;gLk; jdpkk;.
(A) rpy;th; (B) fhg;gh; (C) rpypf;fhd; (D) [pq;f;
26.ry;igL jhJit mlh;gpf;f cfe;j Kiw.
(A) Gtp<h;g;G Kiw (B) kpd;fhe;j Kiw (C) JUt Kid J}a;ikahf;fy; (D) Eiu kpjg;G Kiw
27.ehfKyhk; G+Rjy; vd;gJ.
(A) cNyhfj;ij nkU$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;
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; www.Padasalai.Net www.TrbTnpsc.com
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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 Xᴀ kw;Wk; Xᴃ vdpy;> Xᴀ >>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;
(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.
Brim Stone
(g;iuk; ];Nlhd;) vd miof;fg;gLk; jdpkk;.(A) Nrhbak; (B) nghl;lhrpak; (C) fe;jfk; (D) gh];gu];
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48.cs;spG+z;bd; kzk; nfhz;l jdpkk;.
(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;?
(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;
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;
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.
(A) ypj;jpak; (B) `{ypak; (C) Nrhbak; (D) Nfhghy;l
54.fhh;gd; mZtpy; cs;s ,izj;jpwd; vyf;l;uhd;fs
(A) 1 (B) 2 (C) 4 (D) 6
55. fPo;fz;ltw;wpy; mkpyj;jpd; Kf;fpa gFjpahf cs;s jdpkk;
(A) Mf;]p[d; (B) iel;u[d; (C) i`l;u[d; (D) FNshhpd;
56. nghUj;Jf:
A B a b c d a) fhyikd; - 1. rpy;thpd; jhJ A) 3 1 2 4
b) fypdh - 2. khq;fdpR jhJ B) 4 3 1 2
c) mh;n[d;ill; - 3. cyl;bd; jhJ C) 2 1 4 3
d) igNuhYirl; - 4. [{q;f; jhJ D) 4 3 2 1
57. fhh;gdpd; rjtPjk; Fiwthf cs;s ,Uk;G cNyhf;fyit
(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
(A) fhg;gh; kPJ nts;sp (B)fhg;gh;kPJFNuhkpak;
(C) ,Uk;gpd; kPJ [{q;f; (D) [{q;f; kPJ ,Uk;G
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;
60.Kjy; Mth;j;jd ml;ltizia ntspapl;lth;
(A) epA+nyd;l; (B) Nkh];Ny (C) nkz;lyPg; (D) NlhgdPh;
61. ‘mUkz; njhFjp jdpkq;fs;‛ vd;wiof;fg;gLtJ
(A) S njhFjp jdpkq;fs; (B) M) p njhFjp jdpkq;fs;
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LAB ASSISTANT STUDY MATERIALS PHYSICAL SCIENCE(CHEMISTRY) BY KUMAR M.A.,B.Ed., D.T.ed.,HDCA.(ENGLISH) Page 6
(C) d njhFjp jdpkq;fs; (D) f njhFjp jdpkq;fs;
62.,ilepiy jdpkq;fspd; nghJthd vyf;uhd; mikg;G
(A) n s2 np1-6 (B) (n-2) f 1-14 (n-1)d0 , 1 ns2
(C) n s2 (n-1) d1 – 10 (D) ns 2 (n-2) d1 – 10
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:
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; www.Padasalai.Net www.TrbTnpsc.com
LAB ASSISTANT STUDY MATERIALS PHYSICAL SCIENCE(CHEMISTRY) BY KUMAR M.A.,B.Ed., D.T.ed.,HDCA.(ENGLISH) Page 7
(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 $wpath ;
(A) epA+Nyz;l; (B) nkd;lyPg; (C) ytha;rpah; (D) Nkh];Ny
84. jdpk thpir ml;ltidapy; mjpf vyf;l;uhd; ehl;lk; cs;s jdpkk;
(A) mNahbd; (B) g;@hpd; (C) FNshhpd; (D) Mf;]p[d;
85. fPo;f;fz;ltw;wpy; NlhgdPh; Kk;ig tpjp nghUe;JtJ
(A) Nrhbak;> epahd; kw;Wk; fhy;rpak;; (B) i`l;u[d;> Mf;]p[d; kw;Wk; iel;u[d;
(C) Nrhbak;> ypj;jpak; kw;Wk; nghl;lhrpak; (D) fhh;gd;> Mf;]p[d; kw;Wk; iel;u[d;
86. ke;j thAf;fspd; vyf;l;uhd; ehl;lk; kjpg;G
(A) mjpfk; (B) FiwT (C) G+[;[pak; (D) kpf mjpfk;
87. jdpk thpir ml;ltizapy; mjpf madpahf;Fk; Mw;wy; kjpg;GilaJ…
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(A) fhu cNyhfk; (B),ilepiy jdpkq;fs; (C) N`Nyhn[d;fs; (D) ke;jthAf;fs;
88. AB2 vd;w %yf;$wpy; A-d; vyf;l;uhd; fth;jpwd; XB vdpy; XA– XB = 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. (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 A2O3 vd;w Nrh;kj;ijAk; FNshhpDld; A tpidGhpe;J AC12 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;.
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