Multiple choice question
Multiple choice question Multiple choice question
iz'u&29 ÝhMy Øk¶V vfHkfØ;k D;k gS\ bls iz;ksx esa ykdj dkSu ls u;s mRikn izkIr fd;s tk ldrs gSa\ What is Friedal Craft’s reactions? What type of products are obtained by this method? iz'u&30 csUthu ls eSfyd ,ugkbMªkbM izkIr djus dh fof/k dk dsoy jklk;fud lehdj.k ,oa n'kkvksa dk mYys[k dhft;s\ How will you get mallic anhydried. Give only chemical reaction and the conditions for it? iz'u&31 csUthu dh vkstksuksykbfll }kjk izkIr gksus okys mRikn dk jklk;fud lehdj.k nhft;s\ Give chemical reaction for ozonolysis of benzene and name the product? bdkbZ&15 bdkbZ&15 bdkbZ&15 ¼i;kZoj.kh; ¼i;kZoj.kh; jlk;u½ jlk;u½ jlk;u½ (Environmental Chemicals) uksV uksV % % % bdkbZ&15 bdkbZ&15 ,oa ,oa bdkbZ&16 bdkbZ&16 bdkbZ&16 ij ij dqy dqy vkoafVr vkoafVr vad vad 3&3 3&3 3&3 gh gh gSa gSa vr% vr% vr% bu bu bdkb;ks bdkb;ks ls ls 4 4 rFkk rFkk 5 5 vad vad vad okys okys iz'u iz'u iwNs iwNs tkus tkus d d lEHkkouk lEHkkouk lEHkkouk ugh ugh curh curh gSA gSA cgqfodYih; cgqfodYih; iz'uA iz'uA Unit–15 and unit–16 have been assigned only 3 marks each hence the possibility of 4 and 5 marks questions is almost nill. cgqfodYih; iz'uA Multiple choice question 1 1 vad vad okys okys okys iz'u iz'u 1 iznw"kd dgykrs gSa\ (a) CO , SO , NO vkfn xSlsa 2 2 2 (b) Pb, As, Hg, Zn, Cd /kkrqvksa ds ;kSfxd (c) /kwy] ijkxd.k] dhVuk'kd vkfn (d) ;s lHkh iznw"kd gSa\ 94
Pollutants are said– (a) CO 2 , SO 2 , NO 2 etc gases (b) Pb, As, Hg, Zn, Cd compounds (c) Dust, polyngrains, insecticides (d) All theses are polutants fjDr fjDr fjDr LFkkuksa LFkkuksa dh dh iwfrZ iwfrZ dhft;sA dhft;sA dhft;sA fjDr LFkkuksa dh iwfrZ dhft;sA Fill in the blanks 2 LekWx gS --------------------------- Smog is ........................... 3 izkFkfe iznw"kd gS ------------------- rFkk f}rh;d iznw"kd gS --------------------- Primary pollutants are ............. and secondary polutants are ................. 4 iVhZdqysV ------------------------ gksrs gSA ;s nzo ;k Bksl lw{e d.k ------------------------ds dkj.k gSa\ Particulates are ........................ thses solid or liquid micro particles are ............... 5 vEy o"kkZ gS ----------------------- Acid rain is ....................... 6 vkstksu ds {k; ls ---------------------------- izHkkfor gksrk gS Depletion of ozone affects ...................... 7 xzhu gkml izHkko gS ------------- blls Xykscy okfeZax dks ---------------- tk ldrk gSA Green house effect is ................... It ................... the global warming. 8 vkS|ksfxd ok;q izznw"kd gSa ------------------------------------- (a) -------------------------------------------------------- (b) ----------------------------------------------------- (c) -------------------------------------------------------- 9 iznw"k.k dks de fd;k tk ldrk gS\ blds fy;s dksbZ 4 mik; l>kb;s\ Give any four measures to check pollution? 10 dksbZ 4 vkS"k/kh; egRo okys Qynkj ikS/kksa dk egRo fyf[k;s\ Describe any 4 friut plants which are medicinally useful? 11 iVhZdqysV 'kjhj esa LokLF; dks fdl izdkj izHkkfor djrs gS\ How portienlates affect human health? 95
- Page 43 and 44: cgqfodYih; cgqfodYih; iz'uA iz'uA b
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- Page 49 and 50: Differentiate among concept of acid
- Page 51 and 52: In oxidation state there is- (a) Ga
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- Page 57 and 58: iz'u&19 xkayd fdl dgrs gS\ bldk pqu
- Page 59 and 60: 5 H 2 O, H 2 S, H 2 Se rFkk H 2 Te
- Page 61 and 62: Explain the structure of H 2 O 2 wi
- Page 63 and 64: (b) Na 2 SO 4 dh ty;kstu ÅtkZ tkyd
- Page 65 and 66: Give labelled diagram for soda amon
- Page 67 and 68: iz'u&31 f}rh; lewg ds rRoks dks {kk
- Page 69 and 70: fjDr fjDr LFkkuks LFkkuks dh dh iwf
- Page 71 and 72: In any group atomic mass increase g
- Page 73 and 74: Describe electrolytic method for ge
- Page 75 and 76: In elements of group-14, on coming
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- Page 91 and 92: iz'u&14 esØksekWyhD;wy D;k gksrs g
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iz'u&29 ÝhMy Øk¶V vfHkfØ;k D;k gS\ bls iz;ksx esa ykdj dkSu ls u;s mRikn izkIr<br />
fd;s tk ldrs gSa\<br />
What is Friedal Craft’s reactions? What type of products are obtained by this<br />
method?<br />
iz'u&30 csUthu ls eSfyd ,ugkbMªkbM izkIr djus dh fof/k dk dsoy jklk;fud<br />
lehdj.k ,oa n'kkvksa dk mYys[k dhft;s\<br />
How will you get mallic anhydried. Give only chemical reaction and the<br />
conditions for it?<br />
iz'u&31 csUthu dh vkstksuksykbfll }kjk izkIr gksus okys mRikn dk jklk;fud<br />
lehdj.k nhft;s\<br />
Give chemical reaction for ozonolysis of benzene and name the product?<br />
bdkbZ&15 bdkbZ&15<br />
bdkbZ&15<br />
¼i;kZoj.kh; ¼i;kZoj.kh; jlk;u½ jlk;u½<br />
jlk;u½<br />
(Environmental Chemicals)<br />
uksV uksV % % % bdkbZ&15 bdkbZ&15 ,oa ,oa bdkbZ&16 bdkbZ&16 bdkbZ&16 ij ij dqy dqy vkoafVr vkoafVr vad vad 3&3 3&3 3&3 gh gh gSa gSa vr% vr% vr% bu<br />
bu<br />
bdkb;ks bdkb;ks ls ls 4 4 rFkk rFkk 5 5 vad vad vad okys okys iz'u iz'u iwNs iwNs tkus tkus d d lEHkkouk lEHkkouk lEHkkouk ugh ugh curh<br />
curh<br />
gSA<br />
gSA<br />
cgqfodYih; cgqfodYih; iz'uA<br />
iz'uA<br />
Unit–15 and unit–16 have been assigned only 3 marks each hence the<br />
possibility of 4 and 5 marks <strong>question</strong>s is almost nill.<br />
cgqfodYih; iz'uA <strong>Multiple</strong> <strong>choice</strong> <strong>question</strong><br />
1 1 vad vad okys okys okys iz'u<br />
iz'u<br />
1 iznw"kd dgykrs gSa\<br />
(a) CO , SO , NO vkfn xSlsa 2 2 2 (b) Pb, As, Hg, Zn, Cd /kkrqvksa ds ;kSfxd<br />
(c) /kwy] ijkxd.k] dhVuk'kd vkfn (d) ;s lHkh iznw"kd gSa\<br />
94
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