Physical Sciences Memo 2 (English & Afrikaans)

May-June 2022 — Grade 12 / Matric — Physical Sciences

Memo 2022 Grade 12 Afrikaans Physical Sciences Hub →

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🎯 150 marks 📄 6 pages 📝 78 items found 📚 5 topics

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Questions — A Preview of What to Expect in the Document

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Q1— Section header —

1.1(2\ 1. (2\

1.3(2\ 1. (2\

1.5(2\

1.6(2\

1.7(2\ 1. (2\ 1.

Q2— Section header —

2.1.1(1\

2.1.2(1\

2.1(1\

2.1.4(1\

2.2.1bromo 2,4,5 trimethylhexane/

2.2.2Marking criteria/ Nasienkriteria: Five C atoms in longest chain + triple bond Vyf C

2.3.3Marking criteria/ Nasienkriteria: Functional group Funksionele groep Whole structure correct. Hele struktuur korrek. IF/

2.4.1Methyl propane /2 methylpropane Metielpropaan/2 metielpropaan

2.4.210 13

Q3— Section header —

3.1Marking criteria Nasienkriteria 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

3.2.1Increases Neem toe (1\ 3. .2 From A to C:

3.3No Nee More than one independent variable ./ Molar mass and chain length (surface area\

3.4

4.2Dipole dipole forces Dipool dipool kragte

Q4— Section header —

4.1.1Dehydrohalogena tion/elimination /dehydrobromination Dehidrohalogenering/eliminasie/dehidrobrominering (1\

4.1.2methylbut ene / 2

4.1.3Water/ (1\

4.1.4Heat/ Hitte (Concentrated\ sulphuric acid/catalyst (Gekonsentreerde\ swawelsuur/katalisator ACCEPT/ AANVAAR

1.5Marking criteria/ Nasien kriteria Whole structure correct/ Hele struktuur korrek: Only functional group correct:/ Slegs funksionele groep korrek:

4.2.5Marking criteria Correct functional group i.e. double bond. Correct number of C atoms in relation to answer in Q4.2.4. Whole structure correct. IF condensed/molecular formulae used:

Q4— Section header —

4.2.4INDIEN C 10

Q4— Section header —

Q5— Section header —

5.1NOTE/ LET WEL Give the mark for per unit time only if in context of reaction rate. Gee die punt vir per eenheidtyd slegs indien in konteks met reaksietempo.

5.2Surface area / state of division / particle size (of MgCO Concentration of HC Reaksieoppervlak/toestand van verdeeldheid/deeltjie

5.3At a higher temperature particles move faster/have a higher kinetic energy. More molecules have enough/sufficient kinetic energy for an effective collision OR More molecules have kinetic energy

5.4.1Marking criteria Formula: n = in n = Use mole ratio: n(MgCO

Q5— Section header —

5.4.1Marking criteria Substitution of n(CO \ AND 1,5 dm in n = Final answer

5.5(2\ [1

Q6— Section header —

6.1.1

6.1.2Marking criteria/ Nasienkriteria: 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 korrekte konteks uitgelaat is,

6.1Cooled Af gekoel (1\

6.1A decrease in temperature favours the exothermic reaction. /An increase in temperature favours the endothermic reaction. The forward reaction is favoured. /H

6.2.1Products can be converted back to reactants. OR Both forward and reverse reactions can take place. OR A reaction which can take place in both directions. Produkte kan omgeskakel word na reaktanse. OF Beide voor

6.2.2Marking criteria a\ n(

Q6— Section header —

Q7— Section header —

7.1.1An acid is a proton (H ion\nor. 'n Suur is 'n proton donor/skenker of ioon

7.1.2HY For the SAME acid concentration ower pH / higher

7.1.3Lower than. Laer as < 1 / HX ionises incompletely

7.2.1pH = log[H OR/ OF

Q7— Section header —

Q8— Section header —

8.1.1

8.1.2OPTION 1/ OPSIE 1 2,89 1,66\ 1,23

8.1.5(s\ | aq\ ||

8.2Copper Koper Cu is a weaker reducing agent than Ni and will not reduce Ni

Q9— Section header —

9.1Marking criteria/ Nasienkriteria: 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 korrekte konteks uitgelaat is,

9.2.3X to/ na (1\

9.2.42H O( (aq\ (g\ H (g\ 2OH

9.3Increases / Toeneem (1\

9.4Solution becomes basic / alkaline OR NaOH / OH (ions\ form Oplossing word basies / alkalies OF NaOH / OH

Topics Identified

MechanicsElectricityChemical BondingElectrochemistryThermodynamics

Mark Allocation

Total150 marks

Sections20 + 17 + 16 + 11 = 64 marks

Paper information

SubjectPhysical Sciences

Year2022

SessionMay-June

TypeMemo

PaperPaper 2

LanguageAfrikaans

Pages17

Downloads4

Examination context

Decade2020s

Years ago4y

Season—

Start day—

Exam period—

Days since exam—

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

A past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

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.

Grade 12 subject hubs

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Corresponding examination paper

Examination paper available

Open the corresponding examination paper to practise the questions before reviewing the marking memorandum on this page. Attempt every question under timed conditions for the most realistic preparation.

Physical Sciences Paper 2 (Afrikaans) →

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