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GLORIOUS CHEMISTRY CLASSES
For XIth, XIIth, all Engineering and Medical Exams
Director :- Santosh Sir (M.Sc)


The king of chemistry
Our students test on average 78% better then nationwide averages on DPS based on BSEB & CBSE.
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Test Prep
New Format for DPS
Dear Students,
All are informed that after your vacation, you'll get the new format of DPS. Hope you all're revising your syllabus by your full concentration.

1. dk; dsfUnzr ?ku lajpuk esa ladqyu {kerk ¼ Packing efficiency ½ gS &
¼aad½ 68 % ¼[k½ 72 % ¼x½ 74 % ¼?k½ 82 %
2. "kV~dksf.k; fufoM +ladqyu ¼hcp½ esa leUo; la[;k dk eku gS&
¼d½ 12 ¼[k½ 8 ¼x½ 6 ¼?k½ 4.
3. ,d Qyd dsfUnzr tkyd dh ek=d dksf’Bdk ds fdukjs dh yEckbZ D;k gksxh ;fn blesa mifLFkr xksys dh f=T;k 500 pm
¼d½ 1414 pm ¼[k½1000 pm ¼x½500 pm¼?k½ 250pm.
4. nks vk;uksa A+ ,o a B- dh f=T;k,¡ Øe”k : 90 ,oa 200 pm gSa, AB fØLVy dh fufoM ladqyu O;oLFkk ¼close packed arrangement½ esa A+ dh leUo; la[;k gksxh &
¼d½ 8 ¼[k½ 6 ¼x½ 4 ¼?k½ 3.
5. AB Bksl dh lajpuk Nacl izdkj dh gS, ;fn A+ dh f=T;k 100 pm gS rks B- dh f=T;k gksxh &
¼d½ 241 pm ¼[k½ 100 pm ¼x½ 50 pm ¼?k½ 200 pm
6. 8 : 8 leUo; dk mnkgj.k gS &
¼d½ CsCl ¼[k½ Zns ¼x½ Kcl ¼?k½ CaF2.
7.Qyd dsfUnzr ?ku lajpuk esa izR;sd xksys ds fy, v’VQydh; fNnzks dh la[;k gksxh &
¼d½ 8 ¼[k½ 4 ¼x½ 2 ¼?k½ 1.
8. dk; dsfUnzr ?ku lajpuk esa ladqyu fuEu gS&
¼d½ 0.42 ¼[k½ 0.53 ¼x½ 0.68 ¼?k½ 0.82.
9. f=T;k dk eku 90pm RkFkk 100pm gS bldk lajpuk gksxk
¼d½ v’VQydh; ¼[k½ prq’Qydh; ¼x½ f=dksf.k; ¼?k½ buesa ls dksbZ ugh
10.‘"kV~dksf.k; fudVLFk ladqfyr O;oLFkk esa fdzLVyhd`r /kkrq dh milgla;kstu la[;k gksxh
¼d½ 12 ¼[k½ 8 ¼x½ 6 ¼?k½ 4
11..?kuh; fufoM +ladqyu (ccp) lajpuk esa ladqyu {kerk gksrh gS
¼d½ 52.3 ¼[k½ 47.7 ¼x½ 74 ¼?k½ 68
12. ;fn fdlh vkn’kZ xSl ij ,d iznÙk izfdz;k esa dw=0 ,oa dQ<0 rc xSl ds fy,
(a)Rkkidze ?kVsxk(b) vk;ru c<sxk
(c)nkc fu;r jgsxk (d)Rkkidze c<sxk
13.izFke drkj ds ladze.k rRoksa dk lcls lkekU; vkWDlhdj.k voLFkk gksrh gS
(a) +2 (b) +3 (c) +4 (d) buesa ls dksbZ ugh
14. ladze.k rRoksa tks egÙke vkWDlhdj.k voLFkk n’kkZrh gS
(a) Mn (b) Pt (c) Fe (d) Ni
15.QSjkMs dk fo|qr foPNsnu dk f}rh; fu;r lacaf/kr gS
(a)/kuk;u ds ijek.kqla[;k ls (b)_.kk;u ds ijek.kqla[;k ls
(c) fo|qr vi?kV~; ds lerqY; Hkkj ls (d)/kuk;u ds osx ls
16.fuEufyf[kr esa ls dkSu ,d izFke Js.kh dk rRo ugh gS
(a) Ykksgk (b) dzksfe;e (c) eSaXusf’k;e (d)fudsy