# Physical Sciences Grade 12 Paper 2 NSC June 2013 Memo

> Grade 12 Physical Sciences Paper 2 memorandum from the NSC June 2013, 7 pages. Read online or get the free PDF download, question paper linked when available.

- Page: https://www.hlayiso.com/library/physical-science-bill-p2-sg-2013-memo/c5407c88-269c-4bec-8a5f-f361b7ca49d3
- Updated: 2026-09-27
- Subject: Physical Sciences
- Grade: Grade 12
- Document type: Memorandum
- Year: 2013
- Exam period: NSC June
- Paper: 2
- Curriculum: CAPS
- Pages: 7

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## About this document

Physical Sciences · Grade 12 · NSC June · 2013. Memorandum, 7 pages. Read online or download the PDF.

Read it free online on the page above; download the PDF from there.

## Document text

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### Page 1

basic education

Department:
Basic Education
REPUBLIC OF SOUTH AFRICA

SENIOR CERTIFICATE EXAMINATION
SENIORSERTIFIKAAT-EKSAMEN

PHYSICAL SCIENCE P2/NATUUR- EN SKEIKUNDE V2
CHEMISTRY/CHEMIE
STANDARD GRADE/STANDAARDGRAAD
2013

POSSIBLE ANSWERS / MOONTLIKE ANTWOORDE
\

eos
BERS v
MARKS/PUNTE: 150

a

This memorandum consists of 7 pages.
Hierdie memorandum bestaan uit 7 bladsye.

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### Page 2

QUESTION 1/VRAAG 1

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1.1 Dvvv
1.2 Dvvv
1.3 AVYY
1.4 BYvv¥
1.5 AVvYv
1.6 Dvvv |
17 AVYY
1.8 AVVY
1.9 Cvvv
1.10 Cv¥vv
4.11 Dvvv
1.12 Cvvv
1.13 CY¥vv
114. Avvv
4.15 Dvvv
(15x 3) [45]
QUESTION 2/VRAAG 2
2.1. 2.1.1 Mass/mole/amount (of gas) Y temperature (of gas) ”
Massa/mol/hoeveelheid (gas) ~ temperatuur (van gas) ~ (2)
2.1.2 pressure (p) is inversely proportional V to volume (V) ¥
druk (p) is omgekeerd eweredig~ aan die volume(V) ~“
Not indirectly proportional/NIE indirek eweredig nie)
as the pressure increases, the volume decreases “ proportionally “
Soos die druk toeneem~, neem die volume toe in verhouding”
pressure is directly proportional to yy, ~~
druk is direk eweredig aan }/,
NB: Mathematical relationship has to be in words
Wiskundige verwantskap moet in woorde wees. (2)
2.1.3. Boyle's Law” ;
Boyle se Wet” (1)
2.1.4. more than vv
meer as “~~ (2)
2.1.5 low temperatureY and high pressureY
lae temperatuur” en hoé druk~” (2)
2.2 2.2.1 Bv (CO2) (1)
2.2.2 Dv (CC&) (1)
2.2.3 Dv(CCh) (1)
2.2.4 Cv (H20) (1)
[13]

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### Page 3

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Physical Science/SG/P2/Natuur- en Skeikunde/SG/V2 3
SCE/SSE — Memorandum

QUESTION 3/VRAAG 3

3.1 H2SO, + Na2zSO3 —+ Na2zSOQ, + HzO + SO2
OR/OF
2H2SO4, + NazSO3; — 2NaHSO, + H,0 + SO2

LHS V RHS Vv BAL ¥

3.2 Upward (displacement). v It has a higher density (heavier) than air. ¥
Opwaartse verplasing. » Dit het ‘n hoér digtheid (swaarder) as lug. “

3.3 A suffocating/burning/choking effect. “
Verstikkende/brandende/versmorende uitwerkingY

3.4 orange/yellow/brownY

oranje/geel/bruin ” Fe* = Fe* +e (0/2)
3.5  Green/groenV Fe* +e = Fe*™ (1/2)
Fe?* +. Fe* + @& (0/2)
36 Fe*+e + Fe* vv Fe" ~ Fe” + 6 (1/2)
QUESTION 4/VRAAG 4
44 4NH3(g) + 50.(g) + 4NO(g) + 6H2O(g) Vw

(2 or 0 marks for balancing, accept multiple balancing, ignore =)
(2 or 0 punte vir balansering, aanvaar veelvuldige balansering,
ignoreer =)

4.1.1

4.1.2 catalytic oxidation of ammonia vv [Only catalytic oxidationv’]
katalitiese oksidasie van ammoniak” [Slegs katalitiese
oksidasie “]
4.1.3 platinum/rhodium “

4.2 4.2.1 nitrogen dioxide “ NO2 “ (Mark separately)
stikstofdioksied ~ NO2 “ (Merk afsonderlik)

4.2.2 Cu**vv ORIOF copper(I!) ion/koper(Il)-ioon

4.3 4.3.1 (light) yellow” (NOT cream coloured)
(lig)geel VV (NIE roomkleurig nie)

4.3.2 Kl + AgNO3; — Agl + KNO3; LHS” RHSY BALY
(Accept ionic equation/Aanvaar ioniese vergelyking)

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(3)

(2)

(1)

(1)
(1)

(2)

DBE/2013

[10]

(2)

(2)

(1)

(2)
(2)

(2)

(3)

[14]

<>

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ur’

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Physical Science/SG/P2/Natuur- en Skeikunde/SG/V2 4

SCE/SSE — Memorandum
QUESTION S5/VRAAG 5
5.1 exothermic/eksotermies ¥

5.2

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6.1.1
5.1.2 2)

5.1.3

5.1.4 (a)

(b)

5.1.5 (a)

(b)

§.2.1

His negative /A H < 0/ Heat is released W
A His negatief/A H <0 / Hitte vrygeste!

remain the same VV
bly dieselfdev V

increases
neem toev“”

increases
neem toew~

decreases VY”
neem af

increases
neem toer”

According to Le Chatlier's principle an increase in

temperaturev favours the endothermic reaction/equilibrium
(position) shifts to the left. v

Therefore the reverse reaction is favoured.
Thus producing less SO3.

Voigens Le Chatlier se beginsel sal ‘n toename in
temperatuur~“ die endotermiese reaksie
bevoordee/ewewig(sposisie) na links skuif. ~

Dus word die teruqwaartse reaksie bevoordeel. “
Dus word minder SO3 geproduseer.

YV

§.2.2 Orne temperature of Y is higher/greater VV

5.2.3

Die temperatuur van Y is hoér/groter “~~

Crush the marble chunks into powder. ”

Increase the concentration of the HC£. ” any 2
Stir/Shake

Add catalyst

Breek die marmer in kleiner stukkies. “

Verhoog die konsentrasie van die HCt. “ enige 2
Roer/Skud

Voeg katalisator by

DBE/2013

(1)
(1)
(2)
(2)
(2)
(2)

(2)

(3)
(1)

(2)

(2)
[20]

=f

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yo

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Physical Science/SG/P2/Natuur- en Skeikunde/SG/V2 5 DBE/2013
SCE/SSE — Memorandum

QUESTION 6/VRAAG 6
61 611 Evy (2)
6.1.2 Cv¥v (2)
6.1.3 Cvv (2)
614 AVY (2)
62 62.1 6 + NaOH — NaCf + H,0 LHSY RHSY BALY (3)
6.2.2 YcaV_ on
cae Ty a e formula/formule
~ e 0,01 x 30
Coxi2D 1 © Cax12
G,01x 30> 1 e userationg :nmp = 1:1
© 0,025 mol.dm®

Ca = 0,025 mol.dm? ~

OR/OF:

Naor) = CV =@01 x 0,0 ¥= 0,0003 mol
Nwce) =0,0003 mol ~ ratio

n
_=7
_ v
_ 0,0003 |,
= 0,025 mol.dm? ~ (5)
6.2.3 equal to 7 ¥
gelyk aan 7 ~ (1)
[17]

ES

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un

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Physical Science/SG/P2/Natuur- en Skeikunde/SG/V2 6
SCE/SSE — Memorandum

QUESTION 7/VRAAG 7

7.1

7.2

7.3
7.4

7.5

76

Te

78

7.9

S

7.1.1 Znv¥ (zinc/sink”’)

DBE/2013

(2)

7.1.2 Zn(NO3)2 “Y (OR other Zn salt/OF ander Zn-sout) (name/naam”) (2)

7.1.3 potassium nitrate or any suitable salt ( not Zn?" or Cu2*)vY
kaliumnitraat of enige geskikte oplosbare sout (nie Zn** of Cu*) — (2)

completes the circuit “ OR maintains electrical neutrality OR provides a

path for the flow of ions

voltooi die stroombaan “ OF handhaaf elektriese neutraliteit OF verskaf

‘n pad vir die vioei van ione. (1)
Cathode/katodeY (1)
eduction takes place at the cathode/Cathode gains electrons”
reduksie vind by die katode plaas/katode wen elektrone” (1)
(t=) 25 °C VY ORIOF (T =) 298 K
(c =) 1 mol.dm*¥ (1 molar/1 M) (2)
Zn @ Zn* + 2e (1/2)
crease/neem af Vv. zn + 2e = Zn (0/2) (1)
Zn?* + 2e — Zn (0/2)
Zn + Zn™ + 2evv Zn + 2e ~ Zn (112) (2)
Cu?*v¥ OR/Cu(NOs)2 OF copper(!i) ion/koper(!l)-ioon (2)
Zn(s)|Zn?*(aq) (1 mol.dm’)v | | ¥Cu?*(aq) (1 mol.dm™)| Cu(s) ~
OR/OF Zn(s)|2rv kaa) ~ | vCu?*(aq)|Cu(s) ¥ (3)
OR/OF Zn|Zn?*v||~Cu**|Cuv [19]

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on:

### Page 7

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Physical Science/SG/P2/Natuur- en Skeikunde/SG/V2 aq DBE/2013
SCE/SSE ~ Memorandum

QUESTION 8/VRAAG 8

( Avy (2)

8.2 A is unsaturated. vv OR A has a double bond between C atoms. OR

B is saturated. OR B has only single bonds between the C atoms.
Ais onversadig. ~“ OF A het 'n dubbelbinding tussen C-atome. OR

B is versadig. OF B het slegs enkelbindings tussen C-atome. (2)
8.3 Substitution VY or halogenation “Vv or bromination VW

Substitusie “v of halogenering »’v or brominering ~~ (2)
8.4 B and/en DYY (2 or 0) (2)
8.5 methylpropane Y “ or 2—methylpropane VW

metielpropaan ~~ of 2-metielpropaan “~~ (2)
8.6 Evv (2)

[12]

TOTALITOTAAL: 150

—p>

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ea

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