(l) cH4...ou2.o19B4lS-l 9. o.?ro oCt'od oe?tr 6oco(lJd?tc5 tt3 r.oQeE)E)co oodoo (DtEoo goeoC oitJo?tJ'(l) qeod6db(38. (2) od6dzso8. (3) Sgou), a6€Is

29832sou20t9/34ts-l

co€ed:* 66eo gd5Joea 8g4dr toer6?'J6).*' q",s 1 8a 4) 6E)l'9 gd?roe, Aend. 6qs)c (1), (2), (3), (4) oe.3 od<5 o6)d a.E?'t e er!r.

dd od gd?tr6 6q3)c 60.0g @d Oed o.€€.'.o e.d Bg4do gere Od€Ec.: o6jd, ,r6J?rr.*- OOO a €@@o e€@a ('o€d Od Od gdo6 r!€@ O€r €ojdr od 0O'9€(06 qo6@O o,lo€Co 606 a€,

(X) €ep, €co€dr.*- oo Bg.ad. cleocJ agei.3 q qr6 goa)d ecaoQcd Q cole8doe,'J 6(10r, dor q 8Ce3qt'&r.

eco, 8oD oqc!66N'r4o 0 c.b Err6Mu !ti@6 don6mD6d56Lpmrnenr of Erahi4arions Jri rrk3 Dcdr olm qorsoddeo g e.6ed

' tiM6 drgEdM''ratund

)e

ecJJ(J5\^ cce'rq €ao6?r cao- (caroxirr @ee) 0oroo, 2019 oqesl66i)ollt 0ur6r6 Wnarit ub4rt (rrFrt@ E, i ut L6trt6,2019 dotbufGeneral Certincate of Education (Ord. Level) Examination, Decemb€.2019

l. g?5loro 6erl\ ffi*-..A (3) ea€r.:r:6. (a) e3{aa(!a.

7.

(l)(2)(3)(4)

(2) ooaoa@od3(,3 8dI566.3 o.Qcid O,'Jo?ri eisr6 Ag?'r Oe6 eel5) O .,{060 6q!oj q?

(l) ?rla?rJ 00(! (2) ,'JSOdd,'J 0O(! (3) ocarderdd 0€6 (4) de 0€(5

ooq6aord ogor,9 ooor rDo6r dra6 {?(1) Sddroa,a (2\ Ed (3) eaax.: (4) ?5'b(3c5

4. olA O e5doc€ 6.ADiO8?tJ 6o?tl86) O?rto?j t3?'6 AO?n q€o Q?(l) cH3cHo { 2) CCI4 (3) H2SO4 (4) CO(NH2)'

5. EersocB Saal zdodg qa!6?'(3?s e €oD) ?sqrJ E8?iin56 t$d qqsr eq qe dler€3oeo5)d ot'6) q.zd(}o.o06 e@?tr 08l'C30 q(!6J Al'r] ?sq6l Q?

(l) dAocaioc:(2) ozoSgce

(3) aCa6(4) d,r?rJa q'?s6'Je(r

6. e3tol' caqo?rJ oFo,t')a6)r3 goe g46?'J 8o.4 6oa?ria6ro 9?1186 6oe6 rQozd Qe

DEoo 666!60

d.ad eAa?oo gAc{l' aeqaogg 4adr€ OdBd?rJ eiSo?obca

dA d.ad3$ A@6o s)rJsd(lor8d de)dg(J ooitJooia erSo?r6o

(l?$aoe 6'oddE erdor€?s €3,s5Jo6 56 oO. o@ eeo er3)D,eord Q?(l) (3?10 odo'€o?s dl'?rlaca 569 oa.(2) (,3,so @gec5?s 56zd qo"e c3.

(3) 6?sa cidor€ d?5?rio6 569 oo.(4) 6?10 odoc€ 6.022 x 10.- g €.e..

8. esols qg gegdj dioe3.Sd a?'ja6 oQ,oE?'l 6190 eEt q€o aod q?

(l) cr, (2) cH4 (3) HCr

qrido'orr grt)@ g46ai 8O1dQ goroc5

(4) Hro

la€oiA eoo O@o

1 fY%aKsfha isg Wiia fm< olajd úNd. m%Yak m;% yd ms<s;=re m;% ,nd .ekSug WWW.ESAVIYA.COM fj; msúfikak

ou2.o19B4lS-l

9. o.?ro oCt'od oe?tr 6oco(lJd?tc5 tt3 r.oQeE)E)co oodoo (DtEoo goeoC oitJo?tJ'

(l) qeod6db(38. (2) od6dzso8. (3) Sgou), a6€Is<rA. (4) ggoz:coa.

10. ocrs<.:zs 8g 05) AAa 66roe ooanJa ooo garo egroaiar'

A - ous dr$ ?soeo6J E caodd Iora,'Jaocsrd€3So & od8.B - (oc,r qoc ffe@6t E od8drrJ e@ad Ba zsd8.

C - (ec,' oooe org gooJd.o gor5) o(oodltJ 86 o?tlo?ti F36, todlo' 6.

D - (sct' oe 4€o g.Qd o?tr crg gsJ6boo!.e(3 go?tto od?or c5O o@coeoea 36d.6ca @o8'

goor A, B, C or D gao(A qQ65J €E)r] o?'lo?tJ,

(3) Boc Coo&. (4) Cr']reoe.

ll.

12.

oaeAco oe8a E aftdod dod6(! 10ms-" eO csq oe&,Qordod dod6(r era8AooJ E

r:e8acs @48a Q Oatoaod ao 600 N b)@ 6q oQBo E oO SEeEoc{d ad @?scoo5 Q?

(r) 60N (2) looN (3) 36oN (4) 600 N

drd6E?tr6roo ode o5J@?5i oto6) z?o?t Sogb'J o6(ood caz)t')o Q?

( l) 8ao?rJ A (2) ao@?rJ B (3) ooO?'J E (4) 3oO6J K

13. o3bo gd6)?ro<J q co"odo?rJo Bg o?rJo6J d6 gdD?' o{o6o<J 4o?tr o?sraod E Q?

(l) o6ja o3b@o (2) aAatecs (3) e:roeiSo ?'lrerl (4) 8Oa o?$rg

14. csrzr3g56 L0 mol dmj oa, deobJd 9.06 500 cm3d 61qoo qoo3 sJg@s&i d?o?tJod 6?toe'o€6 Q?

(dgoojdoe €coddo q€?t d,s?riao = lE0)

Q\ NE (3) 180 s (a) 360 s

(l) ,4 or a ooe. (2) A iDr D ero&.

15. ?rdeo 25?$ q odeeb eel'r, q e(8 9@a'-,c ^^o.*"._ "

14

9d6r6o.J?'J RdoA. '--"' ' -rOl----------

ode@O oe6(J a@aq aoldQ g:scoc-: ooCdalo:.

(l) odeoo oaiqaro 2ms-2o6.(2) odA@O adoi€:5l6 q5])r oa.(3) odaoa dodqr l0 m s - ,e6. b(4) Edeo lomt'g@a(Do$?'l ! d 2H e,eo I qiEr.

^"1^oe?tt 6

6

?src6/s

17.

18.

16. e8crid o?rJ68oo s.!ocd6o dl')4 oslo!'l qlt'r6 octtood 4o?' @,53o@eJ q a?

(1) esoe6 (2) qcoooo (3) qzSa:ogCor.: (4) ooc?tto6

oo?Q86@ (, or.@o5Ja (KMnOa) oo<rjd?tcro gq3€ eet' cao?td6(l ers)6 q.zdoo

2KMnOa ---4* KrMnOa + MnO2 + 02

d goo od8d?rJ o3g oge 3d SoQoc orEoa 3@6Cdo)(l ?t€ gQ oocol€(lo o'ot"('@?'Ja oge 9o'o6(3o6rcao6 q?

(r) I (2) 2 (3\ 4 (4) 6

d6r?od gBodjaod 6A?' €3@1!) q(,t6 ?$66 4a:d gia. eal oe9oiaJar ooe€ o Q, oqo15J?tr 6oc?')

@t'ood oQ?s?so q, adtorn&r'r !.or?tr @6lod Q?tbo Q ?$.5c, qodoo e6r'J E d?t o t'Boood Xoo f q6ldo

caoa?rla ?sd q{8 ql, d ers)l' ardoo. (qa6ooJ ooid8(n6ro E6E) o cro6 c,:8 cottd€r"r6 6)d?tJE) )

l eod&o 2 qodoso

.'6ca060 !36a?tJa bd gi6 aCao o.A o EcJ6e6?tl a.Coo?io?tJ'(l) I qod&6€ E (l (2) 2 qdjo@o E c,3. (3) 3 qdoroo q (4) 2 tor 3 qo&J'oe q ct

2 qodoio 3 gocJdco

t@e6 €0o ocdo


29832soL/20r9/34t5-ll

laeol6 eQo o€do


oun'9B4ts-rr

(ii) ooo A?e{ordod Age ofu RCSo e3qt'i Sgecr EeQo?rJo?rJ eo6 er6q (!.

SoOd 0l : 60 OcgO qs)?tcr ?$d deca ajloEoo E Eoqoo!) pore<! ga?s 8oa)6d 6AoEieOr59O3 olEO

B6ad A: gA?s 8o?r(Jd ooo6J C'o6l5)i goreos Aq@o:'J r)eaod6d (a a8od) €6i ?sd8@

B(lod 03: 6c3r6Jo6 l'eaodcn q.S6?rJ AqJd d6r?rcad 6(3' ?rdao

ed6 €cl'o€do qqre o6)6 (DdB e:B06l'?r €aeo5) 6@985 ?'d?rJa).

l-;;J e,,ooot l---E"o__-l e.,uooz e.,uoo: lGf---l[

(0616rl-3 I I @d6Jr

I

(C) ddr)di €6(J,r a(Drnd 66r?rod?rooe q ded a1?ord o?rod5r b)rgioo or qoo or6o(l)ie6o gqc l'6?'re( 6.o(li(D 66e6d oa)dJ qidoo.

Ca(OH)2, K2CrzOj, Na3POa, NO2, SO2

dO €"ooj@ gAg5l cre'6 ftrdoo?r dld ebl 95)r(o(!0 OAr6i O gqr€ O5l €.oo5il'ci eq8@a?tJ q qtA6d ed on eo?rJl'r.

fi) cabe pH qo.r 96)€ ?t{"8eJ qrr6 @4.

(ii) Aoa deocj a1d oejto to.966 qi'e 6r.3oa @de oa

(iii) deco<,::o dd d.dAoO5J dE Eoerl@<6 66lEJO6d g15 86Oa qr6rs oA. .................. . ......(iv) g?$i(' d6r(JA6 e8?rro @o?'J o goe oi8 grB E8@o Q Qro?D oO.

2. (A) 68 ob8Iod66 Bgaq Q€ .iosr?rd er6)6) ftdo6.

QdAeu'r

GgrAdor

sadc)o.E

qr@8A(Jr

odd8e@l

EocEiooSol

qlo6eor

q?'r) .3o?r5r qlordo(r?tJ tJlot'r gd?tJoea aged. e(3?tJ6r.

(1) WX,Y ?$ Za6 @6,€oe 916 6dl9d ol' eqr€ AA ?strdo(3 e(3r g?.t' e30?151 es@gttd ?sd6'J6.

(ii) gAAo?roeo .3.ooE adoo 631'1gla€rj g8dJda58.3 ?r@ ?s66t6r. ... . ...

(iii) gtCA qrOe.ol o5jo?'J z?o?r 6do'E(,]o q?

(iv) gerE) ou86d6 eood)osJ qldoo6) ozJ dd q.i6doo"E e3ddc ,s.do(lo g86.cd8 I eds66al8?tl t3&t' q.69oo. d?51 dd edo56 eq6o6:?tj q qlE Ed 9d oa oo ed€66 t38o eoaJolo

? dOC3 eo6J6).(a) oag o4o QlEo

(b) o+rca €0'6 adooeo oaE oro6o

L@rA eqo o€do.


oLt20r9t3 ts-tl -3-

(B) g$leo.dc'cte{6 66coec3o gO(oD e O:s6d qo)r6?r6 88gOEo:ro<.rzg 38?'i eszse$ od5) eQ q.Ogod dreocJ (rd6A.,9oo glogo e3r6 48rd qgoet Era. eJE O err(J 5d gcocj?$o6j6)A5J eQ. g?rJe3g crocr qxad{5',6 66 6A 8gd. noo eo?5t,rd cro(J 8dO e3gd6roo ed 5)d5] eq.

0) (9oo glago s)18t' ?$d?'r edo4 $)reo"dod@6o caqdrcqoloD rQO?' enra?r6 cagdor 8600 Q?

(J666,t:53 oraco,so egdr

5)o]s

tt056

,t3)Q

e'l6('6re ot506

oe3JA36

(iii) Ado er66leroo q croocj crs)?r coq6)?'t dd od o?'r0oe38 q,sJb)o eroa6 ob5(5 e(l,rl6).?rd Sgdl ?ro0o€?rl ce.c 6A 66]ori

9066 Sgdr DoQoe?'J 06o 8A o?'roei

q,oej?o6o Bag o Sdrod<6ci g 06)1013

3. (,4) qroirS6)' o.ao5 oQolE gjobllo.J geEcnoe B"od6) Bgocg?rl erB)i, cqiao qrrd@o

(i) tJ316 ed orJ 9l')c('(3o qqre gegonod 6oobt6)6 9r'6 oQoobJ o?rJd, E glE A6J ed 06r e(3?rt,rJ.(a) CeBO e3€9 g6E:$d<6 @dEoo?tl Sqdt' oO(b) qoo AQJ6I co{66'oo?rJ g6q' oa(c) q6o5.l6 dzJ agdt8 g'?$id(rd oO

(d) t dor€ gEJd 6Eio a?rlo?rJc3ijJ ca86 {Arrdorg?s g€ .gcB ero8.(e) {ssdoog?$ e€ oosJ @ €c5dotr€6 s€ oed q orgo(iJeod eroa

(ii) Li orc O ozr geEo)J r3o,e<ridzl6 3 esloqar e"oodoocg 90rl e6?rJal.

(iii) C,orr) q.r?rr qQaal Li oc O 6?'r geoe! E,.9(3jsb)6 O e31oQ5) cr"o(Jj,ro6J q?rt6uoD ioroc(35rc,3|ir sl?rJcc.3oxr @6idr, da (Jodt 9B gqd6r.

Li* Li2* Li:. o02o:(iv) Cdro FgeEou t3g6d qooe O?tJ, a$r+O63?id66 3o6 errS(Jro g.B 6de6)O d?$o6ir?, q6oo

oAdr.i elq ?tt?r\

(A) :o15f8o@ ,nrao?rJaoed g'dog] rsd Ag 6db eQ gE€.3) o,etrol5t erd)6 (oleg €oo3)c'5Jal ((6tood6l 680

l{a?tr6l -- --> a)(3) + Y (tugo)

Oq O(Do(l?tlde(3 dioQ

EAoO.8gd de6 d?'e 6)d

W($,l)(,3)

(ii) qlogo err.r 48?i9 qgob Dr8oo osJQo 4ozd ee

(c].?orqe gco6(3)

Xsro{66 egd yorso Oaebr(J ?sdb 8o goe6a6).3d l9eAdt 0i5) ?s1@Bo6 zocOozdo oloqo Olarlgio66 66 ert3)r oO. o@o EgzJedo yojgo ogb)'lrlEo@ eroderorJ 6e6 q e'rAtr 6E(i) Uo' ty $"6€Cr:loe dcac6a?$ Fg e6?'16.

U: w:

?ole6(!€l

forgooee 6.1 5

@Ao@ :or

forgo:6.1 860

U (ert6uJOI

Ix<

L] Be B C N o F Ne

too'loro 600 Agdo


oL/2019/34/S-tl 4

(ii) o3)6 obJ d?iJ c@dJ6o(3dl Eordq qQocad 9?$16 c5r e3E E)( ?'o qagal get' e?sl oo1')Cl6t 6)err

(a) U {i?tr6 AOeo / or.Job .eO. (b) U cnarooA eoBD auJanro qoAD / 66-ci"€(J ,e5.

(c) yorso q<! I de(,] Eco66?r pH qo(! 70 oor qQ / OtE oa.

(iii) Xor yq6d g66(3loodt qr6 ca 68 e.r1ar18 9re)6(J Ag,rJ volgo o13gd Aoe5)(3 bdb AdzQOd qrd6o eioa q?

4. (A) q4od(JzD AA,rt SB?rto ca3)6i Q.rJoo6 eor3 3], cc]?sd6 t3ciol5] eq.

6ogj8 nl@ts Qrtodo?5i, 8og o?rje oltldd, gr3odrll6l,#as.:d. @-rC3O,J.id. -,.' a-s:szo:d. e@oai-a a€el

dre6d q(b9oo?rJo?'J Eo@iO 6)0A Q@d6 oQ6,rgod 8s)c qdt?ud6 6e'oAg?rJ ('ec 6?r AqJ?'i ocdco qErd $oa?rto6,o erBdoc 660 r3qo)]

oo gg?ri 38?rt B?s€5) cq qrogo?$ qs6956 cr6erd 6oo?rrE.

(i) Ar.o€ o:o,Jo tJge:d(,3o erOa?rJO ?rd qlE sr?rrdo ao6) d)oAsl 3).q:ioa Q?

(ii) Xar yqg s6do cigauJo ,srs ge Ce6)d56.,i $@o?5, e3",ed6(3 6Be5o $ooroE.)E qq6t,r,.

(iii) oog e8sooo o)d. E6rg?r.i?iJ cooabJa 5)d cfrEJo?5J q.8?

(iv) aoloq a tJ8od6 $OSt 6 88.oo?'J rrgl o, qe oocro,rJ doao(3 6.oaEr ?$d r]€0 ogr3oJ qr6 0.ror8 r:loi'lo6d t:qorbJ ?idrlar

(v) t38d66o(3?rl eQ t3ioh?r qlgg5J gE?rJ cq vo dq6 o.lE gd6)r6(3 6€8 Q.rJoa vgeil5rdoci q€€O6oc1?'l 8dre:66 Our oc)eE?r dl8d egbt (it

(A) oeid)o(J 960106r adld., ot5J?rlEo: ocaooo 8g 6)dor(3oblSAai ooor @<-:czocdoo As ,od5) eq.gEoroo 8co 6)r oqee6) 8dd Aob 6)a1 ErB e3tJc$g X$r yecao(?sls goo

'i.A 0E) drcaocJ qlzSoo?rJ ergq 6a?rr eq. doo X

aeroo crcoo.r$6 250 N t ql'd v aer(eo cer(5r.ax,: 150 N t(3.

(i) 9Ao!@o Boeel'fto $qoc 66'?od5r ac oor?rcr Qt

(ii) g8e'@e AedcD- orBr,96$-c- R o' B e?ilo6.r oo?r' 9E6'3'L S czsre'e{6 q"

riiir g8s19o <ro aw)otsleJo6 q? .

(iv) gAoioo qq?'Jo od?ris(5 0z) G e?'l6D(,'o A I Aa 96 d GE. A eaJer(r oor gaoi(}o aodS

trb6<! I grEodd e6?tl?tr.

(v) A ezderr: ootr S g8€c.r'@a?rt glE o?sodb) Ftts(! ob,uo€i Q?

(vi) A ed€rDca ooi S o8?r' gi6 oI$odz) o3orotJ6) 886.3, A ed@Dc] ooc lV ad o8,'l qiE o?roir?')

qrd86.o5E) 6u5o1a qro'6 oD. d I qro<,r oe:<rala:.

[odo{6 Eoo 6}3do


ou20l9t34ts-l -3-

19. o&6) 6q?o5j EOD 6et'?'&tr.,4 - 6?rr @!ri6(rg r5loeid8a dda?5B - Ae?r o€$46@ zdoejdaaC - d@c-: ooJAoO dosJdSO gco66

9oo gor qo6ai 3q3n6 €3?rJ6)6?r6 ?rd?rJ@?ti

(l) Aa).B1906.

(l) HAgae qoe66.(3) HA gae s)d@ca6.

EeE ,sdorcaod 88al o6eod gOror)c,:zs.3Eldo(J5l t3.ar3l coE)

(2) HA 6ae qoeo6.(4) HA gr@els) eo6o5.

E oE?t$ od 6d6Jo 0od6 E8e(!6J o' oo E@deoeo q(3El

(2) AalcCooe. (l) Bor Coo&. (4) ,a, A tr. C Srch o d.

20. eoe6Jo93E?r c€r5)d56l')o 0ge6 eoro8o6 E 0q46J $)ood qg ordl iod tr@a?tl: ?r€ on'El ccarsd66oocs 3r: o16 (3. ootE o.E.oE?rJ Ca?rd6(9 qrddetu ?rd (oi8o 6qeo. do o@6ia6d €Oa6Ja ?i€ geqr6rd(r EO14 O ftdoo?rlo?ri eo?tr dro6oeDo?tl q?

(l) (3) (4)

21. HA a€16 e"o<,:*oc'cj de6 g'o66?s H-gc,3ar, A- q6?r, OH q65) c€?rJ o O6a?'.a: o6€ HA q€ q ooA5raO oog 4(r. @OO eroso6J pH [email protected] ?O g0 6. HA caoa?ibo(lrJ er6)6 E q16 eob) gE r(sc3 c.6)r3 oO Q?

Q)

(t) 7 (2) 8 (3) e (4) r0

23. 9gg oaaG€ q orso(oie(3 So?'16 I x losNm 264. EEarQod,s85cao6 eroe('cJ o6oos,:5 x l0-5 m2

oO5 @O. Orgonieol 8A?1c: OE?ti ?s86cia?' e3oe6 0r) gr8 ?rd6r aec] o?ixro€6 q?

(r) 5 N (2) +N

(1) 10A

(l) de o: (2t e86t

(l) ed,r?rad,rdb) ea datJ(3) ooc,oeC?tt

1:1 j xto'oN (4) 5x 10 -N

(3) SszJ qoe(3 (4) eo6

24. ?s'6(ld€5omo 10070 O?'r c66roro6ro gcd8?s qcod(lo 6roo(rb) do(o 200 W oO. dE 14886 q@d(3 odo'oojde(lDco 10 V o?rlo5t 6o {AB8,r ec,d(3 odrrr 6e, (J,r o}d'o @,s'e3od Q?

(2) 2OA (3) 40A (4) soA

@ea4aca O€dOr (oIEOO Col5)oB O?rJ@?tJ @c?o @ocaeoe gO"A O?rr AOur @orecar6d8o6 qt(l) ado6 (2) deao?r'd?rJ (3) o6eg6eid (4) erdoojd

aodi8 S{(De6eod geoe or5sd o qo.e e3.6i]?1(l z0ozd Q?

27. e.eovo 9ego6 oce3 ?srar5l e') o8odd?t{ c3o6d eu.e <r9ger'3&66 eod q?

(2) ooc€Bai(4) @6egoeid

28. g@ars rSode(36 6a!r eQ AqBd Ordrod d,oorr: orr: cazJarrozood 9l' o(roQ5r ae(3 qrts8,j 6€il$d6eertsds(! eod q?

(l) coe q@d o8oe'ocJilr6(3) c,66'06o

(2) ag@ aso(4) code 0'6 ooiod(r

29. e5oo qldooor g?$ro qe65j q6o6 grsr(o(9 o6jd?rJ6-J.

(l) aa6 ol'elAdca?oso c.q?'1 DrEb) qr6ol,)(! brAn o?ro6.(2) 4d1g or4! adescd66 .3qto' €ore g'cao5)o &ran o?solj.(3) 6decard oc g6da sci€rddd €q?rc g.o?s 8d€rd6(5 ocSo o:ssb(4) ocde4@ to.oron Ae56d oo?rJ 88oa ob6oCa ECc5c:3)oAt' o?rob

aga3 SA?'i og5rco?'l +oo3oeiioc o.(odo q(ld 6?'jdo8?rl e3.ar,'o G'? ood (?

loodad 600 A€do.


oLnorgl34ls-l -4-

30.

gd?r g.?s 30 or 3l dA?tJ (C2H4) gu6 Qo?t(3o gqi€ o t ?o5) E q.6 ae.6 6grsd66 odr oqsJ@ o6.

c2Ha(c) + 3Q2(c) -

2co2(g) + 2H2o0)+ 1400kJ

(H= |,C= 12,O= l6)

e6,rJ oge6d gu.6 Qro6r(3o ed ?r€. 3o eoroQ6r de@<J dl'b'toc3 o?$ouo6 Q?

(3) 36 g (4) 448\t) 2s (2) l8g

31. dE,'J gb6 q?r6€ Bqe', 8014 (s516 @ao@ .3od)?tr O?tl ,eotd q?

ecr qlCed (,rge org gag .38tl) deooj B8::rar Oao6a Qoci Aeoa 916 go?sa ola (3 Eo oBJ4o

40dq?(l) decr oA?rJ @(3oelr egedr eddgo orA 60 (2) de(3 oE?'J o6oqu) cg44 oDdg@ qg Ao(3) 016 o€ goi66d deo6J q(3 A t3loEo (4) deod ed669o(3 qg Oo

(gaq E,r'(o?rcr8?r, Eer5t o?r ao8 Dd"o6?rl 0'6(3 Qg,rJ gordd(3 Ao@ q b)d"octc

(l) 6.a!et'(o qg @o. (2) 9o0(i(3 qg oo (3) ttd"o g36coo qg o8. (4) ScJl'd(J qO oO

6?J)0 Edr3id6od q aod' Cedo?s6o g€oC d?oA 6)de coaloal 918?(l) C3eid 6?sa aoo o6la?id66 86oa (2) acdo cad@rsc.: a€, edsdo(3 es)€ 5)l.Ee)o(3) c,:odoe qooe 6o?od gugo]] 9O6J E6Oo (4) 6?5OOe go'.?5)d eot' @$gOO

35. eron org g46al, OoteJa! dodr,: do6 30 o6odg or8 o aeorod 9.6 bd?tJ@61 zlozd q?

(l) CFc o'g (2) NO2 orgo (l) CH. o+:to (4) CO" o)e?o

;Ne erJor€e, or fiNa-q.:z'-s [email protected] !163 g?sr(D.s eod (?

(1) o{o?r8 @ q18 gosdoQCar ei.aDi .3@r,'' 6.(2) oq6?s8 o 916 (egiooi6 €"ar3r !30r?') (,:.

(3) @qo?s8 o 916 agogJa.s.a& toor5) 4.(4) oqotr8 o qr6 ogieoi5r e."A!rc Egoojsr eo"a)teoo ooo orA o

88r:@ 6,cord Qdor de6 gdot q18 ord,t(3?s er4e 06) de(l oE?tJ 916 bd?tr 84u)(! o,5('dg e,l'6)

eo?rr .noo?t(3 ae5'nlo?tJ q?

(l) 6eoci c58oro(3) s)rd?r6d cieod obc)oe(r

38. e3eor5) Rdoo?r) eo?'r oocae ag6EdAl' @O q?

(l) de dlAd @o6e (2) Bg dr8d oolae

gD de(r, de ordca oe6 ot6)(no @ol'J !o6'J5r +rSod oQa o,tJo?tt srleo i'r oid8r)o568. do' [email protected]?rEr gnoooeri q@oa 9rs'(D6 teod q?

(l) arlAoo E @orj o oidA6o?'od E q deoci cdsdoc3 Ecrl5)o e5o6.

(2) ?rr3o Qa(6)o 6(31oe(,:d o?r ql'd ocdEoorr gqaor @oro@r,rE.(3) ge@d oO('Gj o.d8$ozr6 @6cd8 aet3im ql'd srAo o?sodg ae o?trr€3'8.

(4) ,rrAo@ q de@d cd6doca 86l' o (306?rr gttd o'dgs)o,'rod E dec\.J cdsdto(3 qg oo

fft'cd 61690 o?s8 ,rdo.E@€8 qd96 o?rto?rJ,

(l) o{6<c qcoco eiSoojd?trc.to dbrrt o ot8 o(ao(55J o(r19 rtd6o8.(2) q6'6lo?s a8?rJ gd qro.d c56otrid?rJ6a godoro edc orEo8.(3) epo{ec5 o(B@6rt Edor(?rcr ?rd?r q'o'doeo o16 gqtgod q16 E6o8.(4) qcood gocoz::oc3 Q o(cr o?r g?rJarr g@c66 qoo ?rd ('rEo8.

(2) 8)3d:r@oJ to10(3

(4) de ?roq Add d6

(3) zs"ace odB o.e€e (4) a>aEl od8 ooe.e

39.

40.

C:H.re) + 1O,(g)

2co,rsr + 2Hp(l)

qH.(s) + 3o"(e)

2CO?(c) + 2H:o(1) qH{(c) + 3o,(B) qH.(s) + 3o:(s)


298325o L/20 r9l34/S-Ir -5-

6. (,4) qae, $€dg ?Dr ecs 8Q&o'dod E ?'goD) 9.J,6 dc5,65r go]] ?irdo e5)6(i) deo<i E drlgodzr $,11605 caQ5)@ ?nd oBO?rJ soe6d oA ze@?i9 Rg eerolqe,rd?rr6).(ii) oEflodcaloqJgzS qoe(3 (HCl) gae goe e)5 sE)d q.BAd goe.3 (CH.COOH) ga6 q6s<.:d

oO gAe g@e6zJ t'l gae goecazd q6rd bre3 zDobl q?(iii) qocca?sicao(o 3)do(Jd 986(re :od eo56zd eo5 de(J 6rq@@ €6joec3 eo?'] ?ro6,,J ole?rJ6o a?(iv) (a) ocai8cao eogaodcdeAa tlejoo toc ao866d.doeC8d g@eo qErd 966.l:10 eqor 4@n

d€o(3E?o €4ll)d6(3 e6:rJ5).(b) e?r6 g566rjo A60o@ q e1@ab) B86te66d e6?rJ6r.

B @roooco

. g"?s 5,6,7,8 oc 9 raar gd6o@?'J gd?rr e66O oo6d Bgedr toer6?rJ?rr.

5. (A) Aad oaqooj qoD5l6d oAd]c: Rbi@Oa) Qg @gac e3oa)b)d I dierocj q(?r9oo.

(i) I dleo<3 e6loo?r A, B, C ?'r D 4Ad 6rr€ ?'r@

(iD , b)C?rJ oo?rj 6d?'r drAdod.a.g5(3 tro('t3.6qo@ E C agr'i oo?rl nda: <ladacd eo"g6o<r8erOA6 gAr6r @Oares AOd q?

(i'i) ,(3Eoo?'J ?'O ?sd qr8 ?'e3'o6 rQod Q?

(iv) a)de der?rJ{?rJod q gloci5J g,oa$?, .ea' eo6 rro

'AeJ nO glE c?'jozti o?rod qB oro8oc3r! ddod

(v) AodJA S{roec:aod E.C.c caoo6?$ &ad o€ocjqo€dor ez)o qedlo eE)o oo?rrd8@ II drerodQ(d@6. OO dica@,lj f OBb-j Edle3{66 OsJo?'J oadooocJ 4O?r godoio q?

(vi) oa6J od8oeo drado €orc5€.d?n d.Ad 5')oe('cjdrad ts)ro 8d A qo8d Aog?'J 6dEj oeJB guoe@€. o@ o016 6.6Jde/r bg?tie/?t) ?r'e 29969 q?

rr d;6

(r) X 60 rdAderr8 dl'i'Jo A6.d{e6?, o{.D o6eoeo3?s qooq o8dodeD doaEro 406.(i) X €3e d?rJoc€ or6d o(at3e caa?rr &)d?rr6 Ooo?rj eloa?rr ggt'a oeBeee gooe ot 6o{3)

Boarco o6oero6 q?

(ii) Xcre ddJ@r€ 0,E)0 oo6e Ca?tr6 Aorod?r,o AoO?'J $oo?rifi g8t'Jd ooeoe ob.r(l,.t z)O 6d5i?n(iiD qg::l?r 8tord6o6r5J qi6 o?' €Eoa ooto6czd, ecrrrzl AoldrlJocrrJ 916 oul gg?ra ooesccl8aJ

oou) eJ OlrJo?tJ o6od {?(C) (i) oll)oe 9r ff?sce 6rJ ola6 dgo eD' eor6d€ o(oo(!?ri q,6rd oQ6E. dg6 Ad gra 6)da) $b)6

R Q 6)16e€ 5d 916 rsdo dc,'o / q ('6. Ad 6)ra(J t.qd)j gga 603;0?, drE) er6?, slJ6o..jg@O$qb6(J RR oO. Ad 0r0c: 6eoe erl'E) d69 dzd lo]ls6o qqo€ g6s6qb(a.3 e6, {6to?'ir.(a) Ae?rr e3ossjo?$ dr?'r €s8n @r?$ca

(b) O6@Ado:s s'?" 686r .!,?$6(ii) dg@ Ad g.A Eggo o('oe o1 (Dr?$(3tli caoo &(Ed€ Ad qr8 gggo oooe @r ('c?5(Jd qqo

(a) Fr eedoerdroo o'?roe 9oe6qb(or3 @<,:r q:sio?'ta.(b) F2 crd6(,d,l9a coc:ioe goo&Qtj(s e?SAo 6qerj e?rrA ozr€o oc)oo6)o6tb)(c) F2 ero@(3oroo .o i5)e,C g66&qb(a aEca,6€ F.r?'izD. (9d ca€ 20 A.)

tmol6 EoO aigdo


oLt20t9l34ls-ll -6-

(B) qcoroa,s goecJ erE6odrd@ei8d qge(3 qa"q oO gro'(DocJ qA?s q€e? tro 8t35 cQd6'cj qr6 D5r

qooEttr €0?r'6 8B@o oQ€ ea,'J 98q@e @o6oe ordE86@ b8oode?sl68a @g(OH)r) tDdo(3

(i) o8a@drrJoeiBd q€'eo oc orrdE8c.:6 a)8A@6dsBA e)do(3 q6)d g6€cr'@O q e3ioq6) eo6(3reod q?

(ii) qdaA(3o eoAoodrdes8a oge(,1d oAaod'doei8d qoeol e.o(' $Ogtt6@<r?'i 96€6r A6@o?'J

€oloQ6) 6ec,: Oge 90366 @?treros q?

(C) oal?'e<.:zo qr8ad q@e gco6(! 500 c#d q16. I'o6@c3 lr6Elo(5 I 04 g cm r o5r gl'd go'Q qr8adqoe da,rJo(3 26 g oO.(i) oail'eooJ qa.e gi€8d 906 Ere6o.J d6),'lo(l t'65]c'

'565J6(ii) etor) gco€5od qt88rd goe d?s?tJa gE(o6)o 65?trc.t 6d?tJ?t'.

(iii) AacBS <,:E d?r,riao qeo q.8ed q@ecl sqod .gog qo"Q dec: s3o6oE gi88rl qo3odorcoc.?rc3 | 18 'C @O. 8:sr86 8o1Q<rd ar8o :5d ti?$,'Jad s€c q18ad qoe(,: l07od '5a6qodq 91o5(ld eae @rE@a s)ca6 6€ e'.6 ACAd €oc5?!J a:@ rsdala:

(D) g)At5 l'8aodizJ(}ei8llg goe(l s)c A?rJd (Zn) oeiocs ocEo rsd@o'i o8O<Jdrd oog EolQcrd 8po<':6

ls)d (orEoo AoI(ra AAnJ 6?5d !nd5r e{ c(,?s)dd qlagod e3!t6r R?tloo

Serbdzs osr.:

@?rle de'dtQo +6)€6l toS6odrdoej6?s, eoe6

8?rJd oeCa) ?$ta€

ea€ od qrrlorl AB = BC = CD = DE a6' ,58q ,5

(i) Ccd€or esor D 6"atta,:o ?''O ?'ddJ,''.

(ii) er?r?5 II ca6r III dree oaod Be4dl c5Oo6E Boe3t'l ?5d(9.('b

8d6 6O.o,'J 6ogb6 ?od6i5).

(iii) aoocS goo?'r qd@6 ol' A 610 B ede)3 qDd 6a?'r eq odAod oEdJ 916 o?'r 95AOao1

6e?r?t&rr. 69 9A6Oao.,J ede6 €€'!ti 6q?o5J ?5d?tJ5.

(iv) c''5il'e ? 0(l?$ ?r'E 6d Q€ o(Doo?'' oecr:corE€l aqoc Bg ros s)16 6(3,?s3d?sorJ ozsao6?'i

6d6)d ?sdn&t.

(i) ed)6) qragoo qd5)o ei6a?t oqi6 @€ttd 6qd)nJ bdn&tr.

(ii) od4 ejscd4o 4€ Ag o?r g66(3roa E€?tro o13 zsd olEoo qE',obr(3 ?')e t'lE dolroru(oseod oordd?tr ?sd?tJ?t)

('ii) 956(rroo q 6t3q9od o8add?'i orgo ao r)eDgdl A60 Eqd)r 'egdslo?5iior

do qqr€ E8d€6(56qt'?'J ?id?"a). (9d eze€ 20 A )

1-(A) exsf't I dte,o<.J edooaJoal 8gd. cdt'e ?'roo?5 gar5) qdt36o 6or5Jl'd o o18c'55 qroej?'

8d5(ll5l ot1:r6,o6?ri e5g o (no5i o?rl?r, q,?$rdd8 ?sroocj 9a'5 gd{'ca 06)A,B,C'Da)trEcdl3)r

Il <Jlo<,r III dror,:

todaS EQo Acdo


oLl20t9/34ts-tl -7 -

(B) Aood a€o o?rr g€? 8Se ooad 24O V, 60 W o6c' eag ?'d gi6 gE)d do e.o:r?' qeJ6(l8,'lRC,9o5) LED Age oam::l 24O V, l0 W os$ e,D€ lod si6).(i) 86,r. Ege (,3r?r crl<.: lOa i5r6<.:d q6ioc aoo.d zro dA E .58@)jd?'e o:' 3qd6t (e?'95 so,6(l

gcl (J) o6)reJos qr8 (06?')(,3 5)d?'J5r.

(ii) LED eJoar esrcs l&r ?rre(3d (dor SAod ?rO d6 E e38o&id?'r6 05] SqJd (,dE 99tr{66 gd(J) @l'rtr06 q?

(iii) aood erca?r(lo oor or8e6?$ o,rloal LED 8gf; erc)u) ac a&t' c)6z'r(J?'J qlg85t 6.ee5to]oqala

€.l(,€ AqJ,il (;d8 9o56o1 8.3ejoora e(v) E€?or Age e:too?ro es.croorr 3QE6J odSocarJ 4O9od rnesc.s asa qt:ort 68. d q2o oeooala

?sr66iJ€ol'ro o?reero6 @8Q ? (9d eaEi 20 A.)

E. (,4) oe'.q?rJ Edl er'6' qrs qb)?r oe,'A€ ca8eod oda56d $@E)0 ,itodg qo)56?'J6?s o(Jg6 Bg?rt?$doc(Jod a8?rJ ers)l5 E6d6rE Ojbb)r ,idE) ee.+i 6)8a6de', ored@rJ66i, ors?$ao o5 61c,38(Jc (l?r ded lor,0 oeJre66E age O 916).x seo68 Sod:' o cr@o6 @r?$oe,rt org AOo Ao ea.*. 6rrre6 rD€ 8a?r Od.a)r@6i OdC r3e8l'J BE?tr6.

x 8goo@Od @t3]eotd 83 Orl.3rr,*n Orororrm Bc]Os ci8*- 4Or ded ?seo 3od6.36l oerczAod de e3'dc)(ro O6?rJ Od q36 ?'ion eo€.O oO?tJ rid8.(i) 9o?r EBde6oeo qgo 68alod 6cdo&ar €€6d ?'O ?'d?'1,'r

(ir) (a) de(e6:8 8od5) c oroa?rr .rc?soe?rt 8o 06 o'g geooe age o q6hrtJ(D6) orgo Ero ?iddJ?'r.

(b) do o.go SciQaoo sq,€ €6'0€6 ,aod q?

(iii) (a) a6,J@6.,3 ,rg d6d or?s q48?'J dA('aE l'c?$(J eo,J q?

(b) oo {doe8 cora<l:d oeeo eog?rio?ri@dl er8?(c) eo (s]?rod eid5(D66idl5)o eod {?

(iv) AS?rj AA6'J A8EiB6(J ?rd6 eQ qdr6)tj6<J3 glgS?rJ gdid ed,?' g]3)cd qro(,]d o{r,ob66ju).(v) 93)l' S8zdo{6oeo q€o ci6e3d re4oE(!d oeB oerciQd e3reE6 a]lE ao E).opdr 55oo t'dr$

€€od ge8ot'J ts)d?t&r.

(B) A at B <:p Elce OcB6)rO c'616&(J a)1E E)dO zQOi 68e)e3o o)]dar oqzs8. SEdo b)re Orgffo4200Jkg ''C ' o:r de(r 2 kgd,4 6 Q AAdo 6)ro 0o615)1€) 2tooJkt'.C'ozrXar6 sooct 2 kg?'9

B E q qA.e 6d 91ol d6J gd bod?trc-:O acec: 8zlOOJ alEal eoe:<:?r.t e1@a.

AB(i) 9l0l') DrrJ 9016C3 Brce8oo q A ago?'A gO.A dcocj Cd6do(J o6)roo6 9eDg z168 qt8

('65)c: ?sd5itr.(ii) eoor o*: 9o16.1 61erEe@ q aago5]8 qooe X goocd cd<6bJooj o?53cao6 9o€ 5)68 q?

(iii) aa6ar:ocd:s<3sl oeca sri36) ESoo oor6l e8l' o?rJ@?rl 96rr eoa) 906 q? ooA ae4do G\da(610?ri')

(iv) ,4 tl)rd?rr(!a cdd6loor5)ord qiQd ?$dbir eq. g,rJedr o ag?'r gado o d6j 6Bo€ q dc(3 o6rr5rdr

ed<66Jo6lso e313& oS O Cd6doo.bo.l ordr"?sor 6ogdo6t e$g d).Eo ?tr6rd 3(J.(a) o@ E(!6) ed6do(3 eo6r ?tros?iJ og?rJo€ eroa q?

fb) oe, ee,dJJoJ g ocr ec E6!5lo6r ?s€ s)rd-rsi ao?3l q?

(c) dA E Ag o5) sodd,3er8(Ji6(3 aod s?(d) oo godoloD E goo@je66 ?sd Ci€ ea?'r 6eoo5 ao?'r 6o6,'J brquJoo q?

(e) qoo O t'rer(l 6ro60 q gooci Cdsdoo 9e'€ !).EO E)6)d 3oO o6JeO clqB)?ti ,sd?'trr.(9o e4g 20 A.)

[cPAd 600 Ocdo


oLt20l9t34ts-tl -8-

9. (A) rr?oE) q q.5 I 3)r Il dre3oe?'J ot ?rlao 6dEoc.i 8g@ogal AeD e6iacro ?sJoejdaa s)tr de(3 6.3Ja(Js

do.eid8a crod(3d ,$'a?rJ (8EdbJ) eoed@gio odler A€J6l Ooogqb.s SAoo e3?$.iz) eq Aq!1'1

346.S.?'r o?rio oc?rE

d0.

(gd c-eg 20 E )

Oqld-oOo$qoo Ag 3oO { Q, R, Vor tlzda g(5b) drero.d dbco€?'J ((6,6c6 qo'oce ('o?'l zsd8.

Oal Q or R c:or q(J6 o?5i.' oqt.)o o oe3xg (3.

(i) 0,R g)r tve.ls,oe dE,6E?o d.o6lE) Bg.gog?ri e.3tr edo?'J?'r'

(ii) (a) I dreooat qr:doob) ooiooci:$l,o6)ioo qe3e Ag oz) qbc g8€orco eo5{5(b) oo gAS(.}o e)?il8odi66d oe$ erg?rlo,'Jo6l qi8?

(iii) Il dreso(JsJ qrdooE) o?'ie6cJ q.o5Jio6 g6e ag o?'r qtji! 96€(3'0 e6?,JD

(iv) gs)E) o?oiece ffa?rl geezd€io 6oEco o6'qx 6)b $rS ocid)ool goed('gia(5 4od q?

(v) .e€oiAoo Ede3rd6o.J q ogsjd obioc] a€. 8g oE) 9A€c]r0 -q$r' 4o?' drt 6C3?'J tzJooz)o?oio(3 e€ 8g oo Q?

(vi) (a) ed)tr II dte,oobj q.doo?r oariaocj Eq3al Aaodqu).]] Ag o?'r 30 q dA go"ql Cro€i'ri)Eooldoi@rl B"g 88e(,]d on4 6d?r eE. dao et,ea5) E6?.Jtedi6 arq3)l'J 5)d,'J6.

(b) oa c.qo,'J a€ 86de6c3o oaJeo uieolQQ ndul:r.

(B) olod6 qroao e{O8.r?ii ('?i'od erd)6) Q,5ior qt?t.

0) obo?s cr6erd6o ca@adJo ?$d qil'ig.d ao6r obsrod g)?rJ8dodod q?

(ii) g,?'Jgdodod X, f or Z oe$ ea$ ?'d q.5 gg zro b)d?'J6l

(iii) oAoecocriuro ouo6) ee8eedocj 40a) {tgoeo 66ada ?o€ 94 q?

(iv) oAosroeJax.: ootr croa6 aos 6d"(, SQJEI er"(Qc?sJ aoo c)gctjt)bd ?sdz) .3'Aqa(3 5o

(v) (oae 4ffl'?r6 cooa6to 6€ g?'jo6J oba6l sBcrdoci ao5) qgoco q?

(vr) o8o@corrjz)o(l6l ea5 ('Qsr e3'(40 sr' $OaEJo aob) os}J66) drGd ottrb saodd oEbJ

cuaz)o o6)ob qe

(vii) obA6 6"c?o ('aq O,"@,n6d ear gTJ Ad ooA?'J aoE(J ser(co6) q1?'rJ.3 o?$0o@61grBrlqt

| 6ye:et ll dzer,:

oba6 c:6tJdc:


Documents

(l) cH4...ou2.o19B4lS-l 9. o.?ro oCt'od oe?tr 6oco(lJd?tc5 tt3 r.oQeE)E)co oodoo (DtEoo goeoC oitJo?tJ'(l) qeod6db(38. (2) od6dzso8. (3) Sgou), a6€Is