Technical Sciences Memo 2 (English and Afrikaans)

May-June 2023 — Grade 12 / Matric — Technical Sciences

Memo 2023 Grade 12 Afrikaans

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🎯 75 marks 📄 7 pages 📝 33 items found

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1.1(2\

1.2(2\

1.3(2\

1.4(2\ (2\

2.1Alkene Alke en (1\ 2.

2.2Alkyne Alkyn (1\ 2.

3.1(2

3.2(2\ 2. 2,3 dimethyl butane 2,3

5.1Formyl group Formielgroep (1

2.5.2(1 [12] Marking Criteria12

3.1The pressure exerted by a vapour at equilibrium with its liquid in a closed system Die druk wat deur

3.3Compound has a larger surface area longer chain length / less branches tha n compound

3.4Chain isomer Ketting isomeer (1\ 3. The

4.1.1Hydro halo genation Hyd robromination Hidrohalogenering Hidrohalogenasie /

4.1.2Hydrogenation Hidrogenering / Hidrogenasie (1\

4.2OR OF NaOH (4\

4.3No water Unreactive so lvent Geen water Onreaktiewe oplosser (2

4.4.1 Combustion Oxidation / Verbranding / Oksidasie (1\

4.5.1 A chemical reaction in which monomer molecules join to form a polymer. n Chemiese reaksie waar in monomeer molekule verbind om n polimeer te vorm

4.5.2 A mo lecule consis ting of a large number of at oms. n Molekuul wat uit

4.6.2Anode Cathode Anode Katode (2\ [20 Marking Criteria

5.1Electrolytic cell Elektrolitiese sel (1

5.2Cell Carbon rods One 1\ eaker (Any two\ Sel

5.3.1 Electrode connected to the posi tive terminal. Elektrode gekoppel aan die positiewe terminaal. (1 5. 3.

5.3.3Chlorine gas / C (g\ / C hloorgas / C (g\ (1\

6.1.1 Chemical energy to electrical energy

1.2Mg (s\ Zn 2+ aq\ Mg 2+ (a q\ Zn(s\

6.1From Zn to Mg Vanaf Zn na Mg (1\

6.1.4Spontaneous Spontaan (1\

6.1cell sel = E cathode katode

6.2.1Salt bridge Soutbrug (1\

6.2.2No Nee (1\

6.2.3The circuit /cell is incomplete. Die stroombaan/ sel is onvoltooid. (2\ [14] TOTA14

Mark Allocation

Total75 marks

Sections12 + 14 = 26 marks

Paper information

SubjectTechnical Sciences

Year2023

SessionMay-June

TypeMemo

PaperPaper 2

LanguageAfrikaans

Pages7

Downloads2

Examination context

Decade2020s

Years ago3y

Season—

Start day—

Exam period—

Days since exam—

About Technical Sciences examination preparation

This Grade 12 examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

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.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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Corresponding examination paper

Examination paper available

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