Physical Sciences Memo 2 (English & Afrikaans)

November 2020 — Grade 12 / Matric — Physical Sciences

Memo 2020 Grade 12 Afrikaans Physical Sciences Hub →

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🎯 150 marks 📄 7 pages 📝 72 items found 📚 7 topics

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Q1— Section header —

1.1(2\

1.2(2\

1.3(2\

1.4(2\

1.5(2\

1.6(2\

1.7(2\

1.8(2\

1.9(2\

1.10(2\ [20] Physical Sciences/P2/ Fisiese Wetenskappe/V DBE/ November20

Q2— Section header —

2.1.1Ketones/ Ketone (1\

2.1.2Pentanal/ Pentanaal ACCEPT/ AANVAAR 2,2 dimethylpropanal/ 2,2

2.2.1 bromo 2,3 dimethylhexane bromo

2.2.2Marking criteria Nasienriglyne Whole structure correct Hele struktuur korrek: Only functio nal group correct:/

2.3.1The C atom bonded to the hydroxyl group is bonded to only one other atom (2 or 0\ Die C

Q3— Section header —

3.1Marking criteria Nasienriglyne If any one of the underlined key phrases in the correct context is omitted, deduct 1 mark./ Indien enige van die onderstreepte frases in die

3.2(1\

3.3Increase in the number of C atoms increases molecular mass/size/chain length/surface area Strength of the intermolecular forces incre ases/More sites for London forces

3.4.1(1\

3.4.2Marking criteria Nasienriglyne Compare strengt h of intermolecular forces of A, B and C Compar

3.5Butanal Butanaal Marking criteria Nasienriglyne Correct stem , i.e. but/ Kor rekte stam d.i. but

3.6Pentan ol OR/ OF

Q4— Section header —

4.1Marking criteria Nasienriglyne Addition reaction / reaction of alkene / reaction of C double bond

4.3.218 (1\

4.41,2 dibromo propane 1,2 dibromopropaan /1,2 dibroompropaan

5.1Marking criteria for the alcohol Nasienriglyne vir die alkohol Whole structure of alcohol correct Hele st ruktuur van al

5.1.1Reaction rate Reaksietempo (1\

5.1.2Surface area/state of division particle size Reaksie oppervlak/ toestand van verdeeldheid /deeltjie gr ootte

5.2.1

5.2.2

5.3ave rate/ gem tempo = 8,33 cm

5.4Equal to Gelyk aan (1\ 5. Greater than Groter as

5.6Marking criteria Nasienriglyne: Divide volume by 25,7 in Deel volume deur 25,7 in n =

6.1Products can be converted back to reactants Produkte kan omgeskakel word na reaktan se. OR/ OF Both forward and reverse reactions can take place. Beide voor

6.3(When pressure is increased\the reaction that leads to the smaller amount of gas / side with less molecules /number of moles is favoured (Wanneer die druk verhoog word,\word die reaksie wat tot die kleiner

6.5CALCULATIONS USING NUMBER OF MOLES Mark allocation Correct K expression ( formulae in square brackets Substitution of equilibrium concentrations into

Q7— Section header —

7.1.1Weak Swak Ionises/Dissociates incompletely/partially (in water\ Ioniseer/Dissosieer/onvolledig/gedeeltelik (in w ater\ (2\

7.1.2OPTION 1/ OPSIE 1 pH = log[H

7.1.3Greater than Groter as (1\ 7.

1.4CH COO (aq\+ H O( CH

7.2.1Marking criteria Nasienriglyne Substitute/ vervang : 1 x 0,0 45 OR/

7.2POSITIVE MARKING FROM 7.2.

Q7— Section header —

Q8— Section header —

8.3Mg/Magnesium (1\ 8. .1 2H + 2e

Q9— Section header —

9.1ANY ONE/ ENIGE EEN: The chemical process in which electrical energy is converted to chemical energy (2 or 0\ The use of electrical energy to produce a chemical change

9.2attery/cell/ power source Battery/sel/ kragbron (1\

9.3Silver nitrate/AgNO Silver ethanoate/CH COOAg / Silver fluoride /AgF/ Silwernitraat/

9.4Remains the same Bly dieselfde Rate of oxidation is equal to the rate of reduction Tempo van oksidasie is gelyk aan die tempo van reduksie. (2\

9.5Ag Ag + e Notes Aantekeninge Ag

Q10— Section header —

10.1.1(Liquid\ Air (Vloeibare\ Lug (1\

10.1.2Natural gas/methane/oil/coal coke Aardgas/metaan/olie/steenkool /kooks (1\

10.1.3Iron/iron oxide/Fe/FeO Yster/ysteroksied/Fe/FeO (1\

10.1NH /Ammonia/ Ammon iak (1\

10.1.5Ostwald (process\ Ostwald (proses\ (1\

10.1.6NH + HNO NH NO Bal

6.3.10

10.2.2OPTION 1/ OPSIE 1 x 20 = 2,315 kg X = 26 (26,04\ OPTION 2/ OPSIE 2

Topics Identified

MechanicsElectricityWavesChemical BondingOrganic ChemistryElectrochemistryThermodynamics

Mark Allocation

Total150 marks

Sections20 + 12 + 15 + 15 + 18 + 20 + 8 + 12 = 120 marks

Paper information

SubjectPhysical Sciences

Year2020

SessionNovember

TypeMemo

PaperPaper 2

LanguageAfrikaans

Pages17

Downloads4

Examination context

Decade2020s

Years ago6y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2020

Days since exam2,178

About Physical Sciences examination preparation

Grade 12 Physical Sciences combines Physics and Chemistry. Paper 1 covers mechanics, electricity, waves, and optics, while Paper 2 focuses on chemical bonding, organic chemistry, and electrochemistry.

Every available Grade 12 Physical Sciences past paper and memorandum is collected in the Physical Sciences hub at physical-science.freemode.co.za — browse all years, sessions and languages in one place.

How to use this resource for revision

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For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

applying scientific principles

selecting appropriate equations

interpreting scientific information

performing calculations with correct units

explaining scientific reasoning

A practical revision approach

Create a one-page formula sheet and practice deriving units from first principles. The memorandum rewards correct formula identification, proper substitution, and accurate unit handling.

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Corresponding examination paper

Examination paper available

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Physical Sciences Paper 2 (Afrikaans) →

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Archived on7 September 2026

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