Page 23 - chemistry exclusive short suggestion

imvqb G·K¬zwmf mv‡Rkb
 cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW +* cøvRwgW +*
 cøvRwgW + * cøvRwgW +* cøvRwgW * cøvRwgW + cøvRwgW + cøvRwgW  cøvRwgW + cøvRwgW +cøvRwgW + cøvRwgW +  cøvRwgW  cøvRwgW + cøvRwgW  +  cøvRwgW +* cøvRwgW + cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW + cøvRwgW + cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW + * cøvRwgW +*
45. A¨v‡µvwj‡bi Kvh©Kix g~j‡Ki bvg wK? 56.‡KvbwU‡Z mgAvqb cÖfve we`¨gvb?
Ans: (M) Ans: (K)
K) Kve©wbj L) Kve©vw·j M) A¨vjwWnvBW N) A¨vwg‡bv (K) H 2S, HCl (L) NaCl, CH 3Cl
46. †Kvb g~jwU †gUv wb‡`©kK? Ans: (N) (M) CH 4, HCl (N) CaCl 2, C 6H 5Cl
K) NH 2 L) NHCOCH 3 57. wb‡gœi †Kvb RwUi †h․MwUi ¶vixq `ªeY‡K †bmjvi `ªeY e‡j?
M) Br N) – NO 2 Ans: (K)
47. ‡Kvb A·vBWwU A¤øag©x? Ans: (A) (K) KHgI 3 (L) K 2Hg 2I
A. SiO 2 B. Al 2O 3 C. H 2O D. Na 2O
48. ‡KvbwU jyBm GwmW? Ans: (A) (M) NaHgI 3 (N) K 2HgI 3
A. AlCl 3 B. H 2SO 4 C. H 2O D. NH 3 58. 50 ml m¤ú„³ `zªe‡Y gCaCl5 2 _vK‡j, cÖwZ wjUv‡i
49. cÖvBgvwi ÷¨vÛvW© c`v‡_©i •ewkó¨ bq †KvbwU?
CaCl Gi `ªve¨Zv KZ? Ans: (L)
2
Ans: (N) (K) 10gL (L) 100gL
-1
-1
(K) evqyi Dcv`v‡bi mv‡_ wewµqv K‡i bv -1 -1
(L) Giv weï× ivmvqwbK c`v_ © (M) 101gL (N) 1011gL
1 
(M) G‡`i `ªe‡Yi NbgvÎv AcwiewZ©Z _v‡K e¨vL¨v:  50;b ml  g 5  1000 ml  5 1000  100 gL
(N) Giv ivmvqwbK wewµqvq mn‡R AskMÖnY K‡ibv 50
50. Li 2  Avq‡bi 4_© kw³¯Íi †_‡K 2q kw³¯Í‡i GKwU B‡j±ªb 59. wb‡gœi wbDwK¬qvi wewµqvi †¶‡Î X' ' †KvbwU?
avcvšÍwiZ n‡j wewKi‡Yi Zi½ •`N©¨ KZ wgUvi? Ans: (N)
Ans: (M) 14  X  17 O  1 H
-8
-15
(K) 0.610 (L) 0.610 N 8 1
-8
-15
(M) 5.410 (N) 5.410 (K)  particle (L) Neutron
-10
(O) 0.610 (M)  ray (N)  particle
1  1 1  4

2
e¨vL¨v  R H Z   2     4 . 5  10 8  m  cøvRwgW + * cøvRwgW +* cøvRwgW + * cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW +cøvRwgW + cøvRwgW +  cøvRwgW  cøvRwgW + cøvRwgW +  cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW + cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW +* cøvRwgW + e¨vL¨v: X  He   KYv  cøvRwgW + * cøvRwgW +* cøvRwgW + * cøvRwgW + cøvRwgW + cøvRwgW

  n 1 2 n 2  2
51. ‡evi nvB‡Wªv‡Rb g‡Wj Abyhvqx Z…Zxq †evi K¶ c‡_i 60. wb‡gœi †KvbwU †ZRw¯…q AvB‡mv‡Uvc?
e¨vmva© cÖ_g †evi K¶ c‡_i e¨vmv‡a©i KZ ¸Y? Ans: (K)
14
16
Ans:(L) (K) C (L) O
1 1 14 35
(K) (L) 9 (M) (N) 16 (M) N (N) Cl
9 3 61. GKwU wewKwiZ iwk¥i Zi½‣`N©¨ 530 nmn‡j Gi eY©vjx wK
2
e¨vL¨v: R 3 = n  R 1 = 9R 1 i‡Oi n‡e? Ans: (N)
52. fvix cvwb †KvbwU? Ans: (L) (K) jvj (L) Avmgvbx

(K) H 2 O (L) D 2 O (M) H 3 O (N) H 2 O (M) njy` (N) meyR
2
53. AvDdevD bxwZ Abymv‡i wb‡Pi †Kvb kw³µgwU mwVK? e¨vL¨v: 501 575  meyR
Ans: (K) 62. wb‡gœi †Kvb †g․‡ji AvqbxKiY kw³ me‡P‡q †ewk?
(K) 4s<3d<4p (L) 3d<4s<4p Ans: (L)
(M) 4d<5s<5p (N) 5s<5p<4d (K) P (L) Cl
e¨vL¨v: n   l bxwZ Abymv‡i (M) Si (N) Al
63. K¶ ZvcgvÎvq †KvbwU Zij Ae¯
vq _v‡K?
54. iÄb iwk¥i Zi½ •`N©¨ KZ? Ans: (M)
(K) <0.0005nm (L) 0.005-0.10nm Ans: (L)
(K) I 2 (L) Hg (M) H 2 (N) N 2
(M) 0.1-10nm (N) 10-38nm 64. cvigvbweK msL¨v e„w×i mv‡_ mv‡_ wbw¯…q M¨vm mg~‡ni wK
55. ‡bmjvi `ªeY Øviv †KvbwU kbv³ Kiv hvq?
Ans: (K) cwieZ©b nq? Ans: (K)
(K) ùzUbvsK e„w× cvq
(L) ùzUbvsK n«vm cvq



2
(K) NH (L) Al 3  (M) Cu (N) Na (M) ùzUbvsK w¯
i _v‡K (N) ùzUbvsK `ªæZ n«vm cvq
4
 cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW + cøvRwgW +*

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