9th Chemistry
gf;fk; vz; :
1
Ntjpapay; - 91. ,it tbtkw;wit A) jpz;kk; C) thA ,J Xh; vjph;fhy
vhpnghUs; MFk; A) i`l;u[d; C) kPj;Njd; ePhpy; i`l;u[d; kw;Wk; A)
1:8 C) 3:1 xU NeNdh kPl;lh; vd;gJ A) 10-9 m C) 10-12 m ePh; xU A)
Nrh;kk; C) fyit FwpaPLfisf; nfhz;L rhpahfg; nghUj;Jf: a) gw;gir -
1. ngh;uk; b) rh;f;fiu - 2. Nrh;kk; c) rpypfhd; - 3. fyit d) mah;d;
- 4. jdpkk; FwpaPLfs;: a A) 2 B) 3 C) 2 D) 1 7. b 4 2 3 2 c 3 4 1 3
d 1 1 4 4 B) NfyPak; D) ypj;jpak; B) ePh;kk; D) B kw;Wk; C ,uz;Lk;
B) iel;u[d; D) Mf;]p[d;
2.
3.
Mf;]p[dpd; vil tpfpj msT KiwNa B) 8:1 D) 1:3 B) 109 m D) 1012 m
B) jdpkk; D) $o;kk;
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5.
6.
nghl;lhrpaj;jpd; ,aw;ngah; A) ];fhz;bak; C) ntNdbak;
8.
kdpj clypy; cs;s Mf;]p[dpd; msthdJ A) 65 rjtPjk; B) 48 rjtPjk;
C) 71 rjtPjk; D) 53 rjtPjk; tpfpj tha;ghL vd;gJ Nrh;kj;jpy;
vz;zpf;ifia Fwpf;fpwJ A) xg;G C) epa+l;uhd; cs;s ntt;NtW
mZf;fspd;
9.
B) tpfpj D) vyf;l;uhd;
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9th Chemistry 10.
gf;fk; vz; :
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fPo;f;fz;l thf;fpaq;fis ftdp : $w;W (A): ntt;NtW epiw vz;fisf;
nfhz;l xU jdpkj;jpd; ntt;NtW mZf;ffSf;F INrhNlhg;Gfs; vd;W ngah;
fhuzk; (R): INrhNlhg;Gfspy; cl;fUtpYs;s epA+l;uhd;fspd; vz;zpf;if
khWgl;bUf;Fk; ,tw;Ws; : A) (A) kw;Wk; (R) ,uz;Lk; rhp> NkYk; (R)
vd;gJ (A) tpw;F rhpahd tpsf;fkhFk; B) (A) kw;Wk; (R) ,uz;Lk;
rhp> NkYk;; (R) vd;gJ (A) tpw;F rhpahd tpsf;fky;y C) (A) rhp>
Mdhy; (R) jtW D) (A) jtW> Mdhy; (R) rhp
11.
mNthNfl;Nuh vz; vd;gJ -23 A) 6.023 10 C) 6.023 10-26
B) 6.023 10
23 26
D) 6.023 10 B) 16 D) 32
12.
Mf;]p[dpd; %yf;$W epiwahdJ A) 8 C) 24 ,J xU vspa tha;ghL MFk; A)
tpfpj tha;ghL C) rjtpfpj ,iaG tha;ghL
13.
B) %yf;$W tha;ghL D) ,tw;Ws; VJkpy;iy
14.
fPo;f;fz;ltw;Ws; INrhNlhg;Gfisg; ngw;wpUg;gJ vJ? A) i`l;u[d; B)
FNshhpd; C) Mf;]p[d; D) ,it midj;Jk; jpl;ltpfpj tpjpia (khwh tpfpj
tpjp) mwptpj;jth; A) g;nus];l; B) lhy;ld; C) ytha;rpah; D)
ngh;dhh;L vjph;kpd; fjph;fisf; fz;Lgpbj;jth; A) jhk;rd; C)
&jh;/Nghh;L mikjpf;fhfNt mZ vd;w ghpir ngw;wth; A) Nkh];Ny C)
ePy;]; Nghh; B) rhl;tpf; D) Nfhy;l;];Bd; B) My;gh;l; Id;];bd; D)
rhl;tpf;
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,jd; epiw GNuhl;lhdpd; epiwf;F Vwf;Fiwa rkkhFk; A) epA+l;uhd; B)
vyf;l;uhd; C) cl;fU D) ,tw;Ws; VJkpy;iy
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9th Chemistry 19. epA+l;uhdpd; epiwahdJ -27 A) 1.672 10 C) 1.675
10 20.-27
gf;fk; vz; :
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B) 1.672 10
27 27
D) 1.675 10
fPo;f;fz;l thf;fpaq;fis ftdp : $w;W (A): rpy jdpkq;fspd; mZepiw
gpd;dvz;fshf cs;sd fhuzk; (R): mit INrhNlhg;Gfis ngw;wpUg;gNj MFk;
,tw;Ws; : A) (A) kw;Wk; (R) ,uz;Lk; rhp> NkYk; (R) vd;gJ (A)
tpw;F rhpahd tpsf;fkhFk; B) (A) kw;Wk; (R) ,uz;Lk; rhp> NkYk;
(R) vd;gJ (A) tpw;F rhpahd tpsf;fky;y C) (A) rhp> Mdhy; (R) jtW
D) (A) jtW> Mdhy; (R) rhp
21.
rhl;tpf; vd;gth; cNyhf ,yf;Ffis.. fjph;tPr;rhy; jhf;fp
epA+l;uhd;fis cUthf;fpdhh; A) fhkhf; B) x - fjph; C) Nubaf; D)
ntg;gf; i`l;u[dpd; mZ epwkhiyia ahUila mikg;G tpsf;FfpwJ A) Nkh];Ny
B) &jh;/Nghh;L; C) ePy;]; Nghh; D) rhl;tpf; gpd;tUk;
$w;Wf;fisf; ftdp i. My;/gh Jfs;fs; Neh;kpd;Rik ngw;wit ii.
&jh;/Nghh;L; mZ mikg;gpy; mZtpd; vyf;l;uhd; fl;likg;ig gw;wpf;
$wtpy;iy iii. Xh; mZtpd; ntspf;$L ,izjpwd; $L vdg;gLk; ,tw;Ws;: A)
i kw;Wk; iii rhp C) iii kl;Lk; rhp B) i kw;Wk; ii rhp D) midj;Jk;
rhp
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My;/gh fjph;fspd; Kf;fpa %ykhf ,Uf;Fk; INrhNlhg;G A) U - 233 B)
U - 235 C) U - 238 D) ,tw;Ws; VJkpy;iy fjphpaf;f khw;wj;ijf;
fz;lwpe;jth; A) uhz;l;n[d; C) f;A+hp B) ngf;fuy; D) rhb
25.
26.
n`d;hp ngf;fuy; vij fjph;tPr;R jdpkhff; nfhz;L fjphpaf;fj;ij
Muha;e;jhh;? A) ANudpak; B) Njhhpak; C) nghNyhdpak; D) Nubak;
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9th Chemistry 27. My;ghj;Jfs;fs; ,jd; cl;fUitg; ngw;wit A)
`Pypak; C) ill;lhdpak;
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B) i`l;u[d; D) nghl;lhrpak;
28.
nraw;if Kiwapy; jahhpf;fg;gl;l fjphpaf;f INrhNlhg;Gfs; vt;thW
miof;fg;gLfpd;wd? A) NubNah Nfhghy;l; B) NubNah fhh;gd; C) NubNah
ePA+f;fpspiaL D) fjphpaf;f NubNah ijuha;L Gw;W Neha; rpfpr;irf;F
gad;gLk; fjphpaf;f mNahbd; A) I - 123 B) I - 143 C) I - 168 D) I
172 FwpaPLfisf; nfhz;L rhpahfg; nghUj;Jf: a) Gw;WNeha; 1. U-238 b)
Njhy; Gw;WNeha; 2. P-32 c) ,uj;j Nrhif 3. C-14 d) njhy; nghUs;fspd;
taJ 4. Fe-59 FwpaPLfs;: a A) 1 B) 2 C) 1 D) 1 b 2 1 4 2 c 4 4 2 3 d
3 3 3 4
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31.
czTg; nghUs;fisf; nflitf;Fk; Ez;Zaph;fis mopf;fg; gad;gLtJ A)
fjph; B) fjph; C) fjph; D) fjph; fjphpaf;f tPr;Rfis mwpa
gad;gLj;jg;gLk; fUtp(fs;) A) vyf;l;Nuh kPl;lh; B) Nkfg; ngl;;lfk;
C) nfa;fh; - Ky;yh; vz;zp D) ,it midj;Jk; Nubak; kw;Wk;
nghNyhdpaj;ij fz;lwpe;jth; A) uhz;l;n[d; C) f;A+hp jdpkq;fspd; mZ
vz;fisf; fz;lwpe;jth; A) Nyhjh; Nkah; C) nkz;lyPt; B) ngf;fuy; D)
rhb B) Nkh];Ny D) epA+yhz;l;
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35.
Mf;]p[d; my;yJ rhy;Nfh[d; FLk;gj; jdpkq;fs; fhzg;gLk; njhFjp A)
VI-A B) VII-A C) VII-B D) VIII cg;gPdpfspd; vyf;l;uhd; ehl;lk; A)
FiwT C) RkhuhdJ B) mjpfk; D) kpf FiwT
36.
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9th Chemistry 37. vz;k tpjpia ntspapl;lth; A) Nyhjh; Nkah; C)
nkz;lyPt;
gf;fk; vz; :
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B) Nkh];Ny D) epA+yhz;l;
38.
gpd;tUk; $w;Wf;fisf; ftdp i. I-A njhFjpj; jdpkq;fs; fhu
cNyhfq;fs; MFk; ii. II-A njhFjpj; jdpkq;fs; fhu kz; cNyhfq;fs; MFk;
iii. midtuhYk; Vw;Wf;nfhs;sg;gl;l jdpk thpir ml;ltid ePs; thpir
ml;ltid MFk; ,tw;Ws;: A) i kw;Wk; iii rhp C) iii kl;Lk; rhp B) i
kw;Wk; ii rhp D) midj;Jk; rhp
39.
jdpkq;fspd; mZ Muk; mjpfhpg;gJ A) ypj;jpaj;jpypUe;J rPrpak; tiu
B) /GShpdpypUe;J mNahbd; tiu C) ypj;jpaj;jpypUe;J /GShpd; tiu D) A
kw;Wk; B ,uz;bYk; Kjy; ke;jthA `Pypaj;jpd; mZ vz; 2 vdpy;>
ehd;fhtJ ke;j thAtpd; (fphpg;lhd;) mZ vz; vd;d? A) 8 B) 18 C) 36 D)
54 Kk;ik tpjpia mspj;jth; A) nlhghpdh; C) Nkh];Ny nrdhdpd; (Xe)
vyf;l;uhd; mikg;ghdJ A) 2>8>8 C) 2>8>18>18>8 ke;j
thAf;fs; ,lk; ngw;wpUf;Fk; njhFjp A) 16 C) 18 B) epA+yhz;l; D)
nkz;lyPt; B) 2>8>18>8 D) 2>8>18>32>18>8 B)
17 D) ,tw;Ws; VJkpy;iy
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vz;k mikg;igg; ngw xU jdpkk; vyf;l;uhid Vw;Fk; NghJ cUthFk; madp
A) Neh; kpd; B) vjph; kpd; C) eLepiy D) ,it midj;Jk; gpd;tUk;
thf;fpaq;fisf; ftdp i. madpr;Nrh;kq;fs; nghJthf ePhpy; fiuAk; ii.
mhpa thAf;fs; epiyahd vyf;l;uhd; mikg;gpid ngw;Ws;sd ,tw;Ws;: A) i
kl;Lk; rhp C) ,uz;Lk; rhp B) ii kl;;Lk; rhp D) ,uz;Lk; jtW
45.
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9th Chemistry 46. jdpkq;fspd; mZ Muk; FiwtJ A) ypj;jpaj;jpypUe;J
rPrpak; tiu B) /GShpdpypUe;J mNahbd; tiu C) ypj;jpaj;jpypUe;J
/GShpd; tiu D) A kw;Wk; B ,uz;bYk;
gf;fk; vz; :
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47.
Kjy; jdpk thpir ml;ltiziaj; jahhpj;jth; A) nlhghpdh; B)
epA+yhz;l; C) Nkh];Ny D) nkz;lyPt; xU %yf;$wpy; cs;s vyf;l;uhd;
xOq;fikg;ig fhl;lg; gad;gLk; mikg;G A) Y}ap]; mikg;G B) gha;];lh;
mikg;G C) /gpnusd; mikg;G D) Nkah; mikg;G kPj;Njdpy; cs;s i`l;u[d;
mZf;fspd; vz;zpf;if A) 2 B) 3 C) 4 D) 5 xU jdpkk; ke;j thAf;fspd;
,izjpwd; mikg;ig ngWtJ A) mNthNfl;Nuh tpjp B) epA+l;ld; tpjp C)
nlhghPdhpd; tpjp D) vz;k tpjp FwpaPLfisf; nfhz;L rhpahfg; nghUj;Jf:
a) madpg;gpizg;G b) Mdhy; (R) rhp
56.
57.
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59.
60.
mYkpdpak; Mf;irbd; %yf;$W tha;ghL A) AlO2 C) AlO3
B) Al2O2 D) Al2O3
61.
fPo;f;fhz;gtw;Ws; rkg;gLj;jg;gl;;l rkd;ghL vJ? A) H2 + O2 H2O B)
H2 + O2 2H2O D) ,it midj;Jk; C) 2H2 + O2 2H2O Crptbt ry;ghpd;
FwpaPL A) S C) S(r) B) S(m) D) S(s)
62.
63.
nyl; iel;Nul;ilr; #LgLj;Jk; NghJ ntspg;gLk; thAtpd; epwk; A)
rptg;G B) gOg;G C) kQ;rs; D) epwkw;wJ
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9th Chemistry 64.
gf;fk; vz; :
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vyf;l;uhid Vw;Wf;nfhs;Sk; nghUs; ,t;thW miof;fg;gLfpwJ A)
Mf;]p[Ndw;wp B) Mf;]p[d; xLf;fp C) Neh;kpd; madp D) ,tw;Ws;
VJkpy;iy NtjpapaYf;fhd Kjy; Nehgy; ghpirg; ngw;wth; A) n[Nfhg];
`{g; B) n`h;kd; gp];rh; C) Nkhp fpA+hp D) vh;d];l; &jh;/Nghh;L
fhh;gdpd; rjtPjg;gb epyf;fhpapd; tiffis VWthpirapy; mikf;fTk; A)
gPl;> gpl;Lkpd];> ypf;idl;> Me;j;uirl; B) gpl;Lkpd];>
gPl;> Me;j;uirl;> ypf;idl; C) gPl;> ypf;idl;>
Me;j;uirl;> gpl;Lkpd]; D) ,tw;Ws; VJkpy;iy ngd;Nldpd; (C5H12)
,ay;G epiy A) thA C) jpz;kk; My;ifd;fspd; nghJ tha;ghL A) CnH2n-2
C) CnH2n B) jputk; D) gpsh];kh B) CnH2n+2 D) CnH2n2
65.
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N`gh; Kiwapy; mk;Nkhdpah jahhpf;;fg; gad;gLtJ A) ,Uk;G B)
kPj;Njd; C) iel;u[d; D) td];gjp ,jd; Rlh; cNyhfq;fis ntl;lTk;>
xl;lTk; gad;gLfpwJ A) mk;Nkhdpah B) Mf;]p-mrpl;byPd; C) mrpl;byPd;
D) mrpl;ily;-FNshiuL vj;jdhiy mjd; fdmsitg; Nghy; ,Uklq;F mlh;
fe;jf mkpyk; Nrh;j;J 1800C-apy; ntg;gg;gLj;Jk; NghJ fpilg;gJ A)
