# Technical Sciences Grade 12 P2 EC June Exemplar 2021 Memo > Grade 12 Technical Sciences Paper 2 memorandum from the EC June Exemplar 2021 (Afrikaans), 5 pages. Read online or download the free PDF. - Page: https://www.hlayiso.com/library/tech-sciences-p2-memo-june2021-english-afrikaans/4b19449f-7e71-42a8-982a-e33c25a32597 - Updated: 2026-09-27 - Subject: Technical Sciences - Grade: Grade 12 - Language: Afrikaans - Document type: Memorandum - Year: 2021 - Exam period: EC June Exemplar - Paper: 2 - Curriculum: CAPS - Pages: 5 Breadcrumbs: [Home](https://www.hlayiso.com/) › [Library](https://www.hlayiso.com/library) › [Grade 12](https://www.hlayiso.com/library/grade-12) › [Technical Sciences](https://www.hlayiso.com/library/grade-12/technical-sciences) › [Technical Sciences Grade 12 P2 EC June Exemplar 2021 Memo](https://www.hlayiso.com/library/tech-sciences-p2-memo-june2021-english-afrikaans/4b19449f-7e71-42a8-982a-e33c25a32597) ## About this document Technical Sciences · Grade 12 · EC June Exemplar · 2021 · Afrikaans. Memorandum, 5 pages. Read online or download the PDF. 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Layout, diagrams and tables may not survive extraction. ### Page 1 NATIONAL SENIOR CERTIFICATE/ NASIONALE SENIOR SERTIFIKAAT GRADE/GRAAD 12 JUNE/JUNIE 2021 TECHNICAL SCIENCES P2/ TEGNIESE WETENSKAPPE V2 MARKING GUIDELINE/NASIENRIGLYN (EXEMPLAR/EKSEMPLAAR) MARKS/PUNTE: 75 This marking guideline consists of 5 pages/ Hierdie nasienriglyn bestaan uit 5 bladsye. ### Page 2 2 TECHNICAL SCIENCES P2/TEGNIESE WETENSKAPPE V2 (EC/JUNE/JUNIE 2021) QUESTION/VRAAG 1 1.1 D  (2) 1.2 C  (2) 1.3 B  (2) 1.4 A  (2) 1.5 B  (2) [10] QUESTION/VRAAG 2 2.1 Combustion / verbranding  (1) 2.2 Structural isomers / struktuurisomere  (1) 2.3 Polymers / polimere  (1) 2.4 n-type (semiconductor) / n-tipe (halfgeleier)  (1) [4] QUESTION/VRAAG 3 3.1 3.1.1 An organic molecule is a molecule which contains carbon atoms.  ʼn Organiese molekule is ʼn molekule wat koolstofatome bevat.  (2) 3.1.2 CnH2n  (1) 3.1.3 Alcohols / Alkohole  (1) 3.1.4 Hydroxyl group / Hidroksielgroep  (1) 3.1.5 (2) 3.2 3.2.1 Esters: Dipole-dipole intermolecular forces  Esters: Dipool-dipool intermolekulêre kragte  (1) Alcohols: Hydrogen bond  Alkohole: Waterstofbinding  (1) 3.2.2 Methanoic acid / Metanoësuur  (1) Copyright reserved / Kopiereg voorbehou Please turn over / Blaai om asseblief ### Page 3 (EC/JUNE/JUNIE 2021) TECHNICAL SCIENCES P2/TEGNIESE WETENSKAPPE V2 3 3.2.3 (2) 3.2.4 (1) 3.3 3.3.1 Same molecular formula, C5H12  Dieselfde molekulêre formule, C5H12  (1) 3.3.2 Different chain length / Kettinglengte verskil  (1) 3.3.3 Alkanes / Alkane  (1) 3.4 3.4.1 Pentane / Pentaan  (1) 3.4.2 2-methyl  butane  / 2-metiel  butaan  (2) 3.4.3 Pentane / Pentaan  (1) 3.4.4 B (1) 3.4.5 B is branched;  the more branches in the organic compound, the smaller the surface area. B is vertak;  hoe meer takke die organiese verbinding het, hoe kleiner is die oppervlakarea.  (2) 3.5 3.5.1 Plastics are synthetic materials derived from organic compounds.  Plastiek is sintetiese materiale afkomstig van organiese verbindings.  (2) 3.5.2 USE / GEBRUIKE B Food-packaging plastics / Voedselverpakkings-plastiek  C Squeezable bottles / Drukbare waterbottels  E Flexible water pipes / Buigbare waterpype  (Any 2 x 1) (2) [27] Copyright reserved / Kopiereg voorbehou Please turn over / Blaai om asseblief ### Page 4 4 TECHNICAL SCIENCES P2/TEGNIESE WETENSKAPPE V2 (EC/JUNE/JUNIE 2021) QUESTION/VRAAG 4 4.1 Vapour pressure is the pressure exerted by a vapour at equilibrium with its liquid in a closed system.  Dampdruk is die druk wat uitgeoefen word deur ʼn damp wat in ewewig is met sy vloeistof in ʼn geslote sisteem.  (2) 4.2 4.2.1 Dipole-dipole intermolecular forces  Dipool-dipool intermolekulêre kragte  (1) 4.2.2 Dipole-dipole intermolecular forces  Dipool-dipool intermolekulêre kragte  (1) 4.3 Viscosity of chlorohexane is HIGHER.  Chlorohexane has stronger dipole-dipole intermolecular forces. Pentane has weaker dispersion / London forces.  Viskositeit van chloro-heksaan is HOËR.  Chloroheksaan het sterker dipool-dipool intermolekulêre kragte. Pentaan het swakker dispersie / Londonkragte.  (2) 4.4 Pentane/ Pentaan  It has weak London forces.  Less energy will be required to overcome intermolecular forces.  Dit het swak Londonkragte.  Minder energie benodig om intermolekulêre kragte te oorkom.  (3) 4.5 London forces / Londonkragte  (2) [11] QUESTION/VRAAG 5 5.1 Hydrocarbons are organic compounds that consist only of hydrogen and carbon atoms.  Koolwaterstowwe is organiese verbindings wat slegs uit waterstof- en koolstofatome bestaan.  (1) 5.2 5.2.1 CH4 + 2O2  CO2 + 2H2O   bal (3) 5.2.2 Excess oxygen / Oormaat energie  (1) [5] Copyright reserved / Kopiereg voorbehou Please turn over / Blaai om asseblief ### Page 5 (EC/JUNE/JUNIE 2021) TECHNICAL SCIENCES P2/TEGNIESE WETENSKAPPE V2 5 QUESTION/VRAAG 6 6.1 6.1.1 Hydrolysis / Hidrolise  (1) 6.1.2 Hydration / Hidrasie  (1) 6.1.3 Esterification / Esterifikasie  (1) 6.2 6.2.1 Hexan-2-ol or 2-hexanol Heksan-2-ol of 2-heksanol  (1) 6.2.2 1-bromohexane / 1-bromoheksaan  (1) 6.2.3 Water  (1) 6.3 6.3.1 Pt/Pd/Ni as a catalyst  Pt/Pd/Ni as ʼn katalisator  (1) 6.3.2 No water added, unreactive solvent, CHCl2, CCl4  Geen water bygevoeg nie, onreaktiewe oplosmiddel, CHCl2, CCl4  (1) 6.4 (2) 6.5 6.5.1 (4) 6.5.2 Ethyl hexanoate  Etielheksanoaat  (1) 6.5.3 (3) [18] TOTAL/TOTAAL: 75 Copyright reserved / Kopiereg voorbehou Please turn over / Blaai om asseblief ## Related documents - [Technical Sciences P1 Memo June 2021 Engl Afrikaans](https://www.hlayiso.com/library/technical-sciences-p1-memo-june-2021-engl-afrikaans/bbcfcb87-c63b-4949-b0e2-4701ef3f022f) — Technical Sciences · Memo · 2021 · Afr - [Gr12 Technical Sciences P2 (English and Afrikaans) 2021 Preparatory Possible Answers](https://www.hlayiso.com/library/gr12-technical-sciences-p2-english-and-afrikaans-2021-preparatory-possible-answers/615b9e69-8efb-48b4-a357-d0f6b46a469f) — Technical Sciences · Memo · 2021 · Afr - [Gr12 Technical Sciences P2 (Afrikaans) 2021 Preparatory Question Paper](https://www.hlayiso.com/library/gr12-technical-sciences-p2-afrikaans-2021-preparatory-question-paper/b8d52384-7857-495c-a182-6450e3423ff0) — Technical Sciences · QP · 2021 · Afr - [Gr12 Technical Sciences P1 (Afrikaans) 2021 Preparatory Possible Answers](https://www.hlayiso.com/library/gr12-technical-sciences-p1-afrikaans-2021-preparatory-possible-answers/6caf3df6-69dd-4822-a42a-57288f67046c) — Technical Sciences · Memo · 2021 · Afr - [Technical Sciences P2 (Afrikaans) June 2025 Question Paper](https://www.hlayiso.com/library/technical-sciences-p2-afrikaans-june-2025-question-paper/d058d4d6-1a04-4407-8a1c-9187d5e524ea) — Technical Sciences · QP · 2025 · Afr - [TECH SCIENCES P2 QP GR12 Jct 2025 AFR D](https://www.hlayiso.com/library/grade-12-technical-sciences-2025-nsc-june-exam-question-paper-paper-2-afrikaans/91dfe6a0-c88b-4061-af64-ecad65f1a790) — Technical Sciences · QP · 2025 · Afr ## More from Grade 12 Technical Sciences - [Gr 12 Tech Sci ATP 2023-24](https://www.hlayiso.com/library/gr-12-tech-sci-atp-2023-24/a7a03e64-2e18-4f50-a7fa-6eb1a25136c7) — ATP - [TECH SCIENCES P1 QP GR12 SEPT 2025 ENG watermark](https://www.hlayiso.com/library/tech-sciences-p1-qp-gr12-sept-2025-eng-watermark/27b1584e-b5e6-4d62-a347-46bc297ca3cc) — QP · 2025 · Eng - [Tech Science P1 AE](https://www.hlayiso.com/library/grade-12-technical-sciences-2025-nsc-june-exam-question-paper-paper-1/ef24e6dd-657f-4912-aaeb-29f50165041c) — QP · 2025 - [NW 12 TECH SCI P2 QP AFR JUNE 2025](https://www.hlayiso.com/library/grade-12-technical-sciences-2025-nw-june-exam-question-paper-paper-2-afrikaans/668ae898-9378-451a-b548-5236f3ca7566) — QP · 2025 · Afr - [Technical Sciences P1 Erratum June Commom Updated](https://www.hlayiso.com/library/technical-sciences-p1-erratum-june-commom-updated/c0a5373a-1bd4-4019-b849-f2a26fa7ab0b) — Errata · 2024 - [TECH SCIENCES P1 GR12 QP JUNE 2024 Afrikaans](https://www.hlayiso.com/library/tech-sciences-p1-gr12-qp-june-2024-afrikaans/c52a3a98-4d76-4d5e-9b3d-03c26864b5e6) — QP · 2024 · Afr ## Collection - [Grade 12 past papers](https://www.hlayiso.com/grade-12/past-papers) --- Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. 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