MEMORANDUM - Pearson High School

MEMORANDUM
ISEBE LE[IFUNDO LEMPI-]MA KOLON
EASTERN CAPE EDLICATION DEPARTMENT
OOS KAAP ONDERWYSDEPARTEITIENT
IMVWO TFBANGA LESHI]M ELLNANYE
GRADE 1] EXAIIINATIONS
GRAAD 11 EKSAMEN
NOVEMBER 2OO8
pHysrcAL sctENcEs - sFcoND PAPER (CHEMISTRY)
FISIESE WETENSKAPPE - TWEEDE VRAESTEL (CHEMIE
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2 PTYSTCALSCTENCES/FsrES
SECTION A
QUESTION 1r ONE WORD lTElr4S
VRAAG 1J EENWOORD]TEMS
t1
12
13
(r)
(r)
(r)
(1)
(1)
t5l
QUESTION 2: IIIATCHING ITEMS
21
22
$a
H/
)/
c/
LI
R
(/
(t)
(1)
(1)
(1)
11)
tsl
QUESTION 3: TRUE OR FALSE
VMAG 3: WAAR OF ONWAAR
{2)
FALSE /, no equiibrum n
A^IWAAR geen ewewig it
\2)
(2)
(2)
110l
lt.1,
+3
+5
A
D
I)

ER2DEVRAESTEL(FPSC) 3
OUESTION 4; MULTIPLE-C HOICE QUESTIONS
VRAAG 4: MEERVOUDIGEKEUSE-VRAE
(31
4.2
D,/./r'
(3)
(3)
(3)
(3)
Il sl
51
52
1Ar'
(1)
(1)
(r)
55
(1)
(1)
H I Si /!./
H
(3)
{s)
n1l
6.1
"/^ c = 99,100 = e2 3
c)-T=77r'
,/,H= 9!1,1aa =1.7
. mole rato is 1 1 /
nalvehaudingl :1
n(H)=7 1=7,7 r'
{41

4 PHYsICAL S6IENCES'FISIESE WETENSKAPPE 2ND PAPEfu2DE VRAESTEL IPtsSC!ME O]I ]
Y" ofc in 7aolmo - t9]],7s=72
100
% of H n 73 a/mo -
s lI\ls
100 =6/
Numberoimoecarbon -721
Nlmber ol moe hydrogen = 6/1
12=FJ
Mal verhouding van
C H=6:6
The trle formula s
Dieware famule is
(3)
m
. 6 d1d t6, pF.d . F /'
l4lal ls dre veean/sk3p nrsse, volune en tenPeQtlui
t2)
volume s direcilyproportonaltotehperalureOR
Volume is nversely proporlonalto temperature //
vohme is diek eweredg aan .lre lehpe.aluut OF
votune is anqekeer.l eweredig aan dielenpe@lllu/t (2)
7l

Axes corectly labe led wth units/
Asse kanek benoern net cchhctlc
Cofiect sca es on bolh aYes/
Ko ekte skaalaD bei.le .ssc
Slraighi ine graph drawf throuoh po nis/
Reauittundrcliek oetek deu Dunre
Volume s p.oportona to lemperalLre.///
6)
Valune is ewetedig aan tenpetaluur
7.5 He ium has propenies c oserto those ol an deatgas than oxygen /r'
Heliun hel eienskappe nader aan n ideale gas as suustar
76 See inemarked as Ao. thegraph above.T/
Sbn lyn generk as A ap die qtaliek hieka.
(3)
(2)
(2)
116l
8.1 /
Hsing e bond and O double bond
H enkel bindihg eh a dubbetbindins
a2
12)
lala lTalaal = 1371kJm.r /
(s)

IH ls heat of reacllon orenthalpy change
lH is reaksie wamLe af entalpie vedndeing
^H=E/r,,,, E,.,"",,,r' (4)
111l
9.1
92
9.3
ll s used as a household gas. //
Ward gebruik as huBhoudelike gas t2)
2CaH{ + l3O, + 3CO, + (3)
t2)
Lead em ssions from car efg nes are ioxic and cause lead poisonng finhaled
Load-uiuatihgs wn nato$ is sitig en
deut db hens ihgeasen ward.
Lead replacement i!e!/ LRP
Load vetu an glngsbta ndstal/LR P
veroatsa ak tDodveryft i9in9 in.iien
(2)
(2)
tlil
QUESTION 1O
101 101.1
(2)
101.2
(21
HH
N
H
I
H-C C H
!l
uH
I
I
I
c
I
ll
(3)

1A22 E]m.ator r'/
Bom.e deco ourse //
ER/2DEVRAESIELlPHSC) 7
t2)
t11l
OUESTION 11ruRAAG 11
111
Whal s lhe concenlral on ofv negar n
W.t ts dic kans.nlasic nn.syn rn d).
(2)
lll=!. '
c.,{ j
No oi moeeaiNaOH = n=.v
c=l
- ooo102
o.o05
Il
Die kahsentaste van die
OUESIION 12IVRAAG I2
{7)
(2)
t11l
121
122
123
124
4Fe + 3 A2 .2 Fe2a3t/
1241
Galvanlsnq/ 7/ Coverwlh a coal ol Zf merar //rpa .iinS/SrronSer
Galvansern9// / Bedek met n aag
{2)
t2)
\2)
1r)
1r)
1121

OLJESTION 1]A/RAAG 13
131
Nlirols oxide /. methane / chorofluor..arbonsT
Sriksloloksted mera., .:hlaanhb.txaatst v!tu--
132 Any-lwa // Enigell.o
()
Bnnd ran fossieL hendstawe
Madenre Landb.u rlelades
l2)
Green house eiJect s the trapping ofheat nearea.ths suda.e by gases
n th€ ahosphere padiculary carbon doxde /)
Kweekhuis ellek ts.lie ve6.dehgvah hilte nabl dE aatde s-.
.ppeNlak de . gasse ]n die.rnasleet retalkootslaftljaksja.j
Afy ONE // EnOe EEN
ncrease n temperalureon e.rlh
Rs€ otsea eve OR fo.d ng
f.enahe in letnperatun ap aatde
Styginq van seevbk AF vl.ede
\:l
(21
Reflects hamlul rad ation
Alows eneqy Io radiate nlo space//
Relle kleet sk ade h ke be st r al itg
Laaleheeietaean in.lie tuinte te bestrcal
Any T\t\14 I Enige -.WEE/ /
lJse clerner fu€ls n motorvehces
Redlce emiss on orharnf! sases
EncouEge molorsis to make less use oicars
Scal€ down.. indusira isaton
G e btu ik sk.ner bta ntl stotuwe n not ts
Vetturndet die Lillaal van sk.detkegasse
Moedlq nataiste aanon nhdet nolarctegebtuik
verni ndet h d ustt ial isa sie
l,losl nalons have s'gned the Ky.to Protoco agEeiq] to redlce
Meesle nasteshetdie Kyola Pr.I.kat anden.ken en slent saanldat
hulle k||eekhuts gasse wil vernhder
t2)
tlsl

AUESTION 14l'r'RAAG 14
14.2 Reduc.g agent //
Reduseemid.lcl
t2)
(2)
14.3
Fe,o3 + 3 CO J 2 Fe + 3 Co, (6aan irs)/ (balansetins) (3)
14 4 Making ofsteelr'
Used to franufacture nachnery toosr'
Used in building malenals and cementmaking/
veNaaKtiging van nasjinene, gereedskap
Gebruik in bau-nabnaal en naakvan senent (3)
aFDELtNG/sEcnoNB: Iltol
GROOTTOTAAL/GRAND TOrAL: 150