Technical Sciences Memo 2 (English and Afrikaans)

November 2020 — Grade 12 / Matric — Technical Sciences

Memo 2020 Grade 12 Afrikaans

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🎯 150 marks 📄 7 pages 📝 52 items found

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1.1(2\

1.2(2\

1.3(2\

1.4(2\ (2\

1.8(2\

1.9(2\

1.10(2\ [20 Technical Sciences/P2/ Tegniese Wetenskappe/V DBE/

2.1An atom or a group of atoms bond that determine the chemistry of a molecule OR

2.2.2Aldehydes Aldehiede

2.2.3Carboxylic acids Karboksielsure

2.3.1Hex an al Heksan al (2

2.3.2

4.1(2

2.4(2 Marking criteria /Nasienriglyne ouble bond Whole structure correct.

2.5.1 (2 OR/OF

2.5.2 (2 .6 Negative marking from 2.

2.6.2Functional Funksioneel (1

2.7.1Unsaturated Onversadig (1

2.7.2Negative marking from 2.7.1/ Negatiewe nasien van 2.7. It contains carbon carbon double

3.1The pressure exerted by a gas in equilibrium with a solid or liquid in a closed container

3.2Vapo r pressure decreases with an increase in molar mass/ molecular mass

3.3/A dehydes have ondon forces

4.1.2Addition/h ydr halogenation /hydrobromination Addisie /hidrohalogenering /hidrobrominering

4.1.3Substitution /Halogenation Substitusie /Halogenasie

4.2.1Water/H

4.2.2(D ute\huric acid /H SO OR

4.3(3

4.4Moderate /warm temperatur /Mild heat. Accept : UV light\

4.6Ethene Eteen (1 14

1.1An electrochemical cell that converts chemical energy to

1.4Towards the zinc half cell anode

6.1.5To maintain electrical neutrality because the Zinc half cell becomes

6.2.2, 6.2.3. and 6.2.4 Positiewe nasien van antwoord in 6.2. in 6.2.2, 6.2.3 en 6.2.4 6.

2.23+ + 3e

6.2X/Aluminium / A anode/negative electrode negatiewe elektrod

6.2X/Aluminium/A will be oxidised OR X/Aluminium/A will lose electrons. /Aluminium/A

7.1.1 The change in direction of a wave upon striking the interface between two materials OR

7.1.3 Reflected ray Weerkaatste st

1.4Normal Normaal (1 7.

1.5Angle of incidence invals hoek

1.6Angle of reflection weerkaatsings hoek

7.5.1Critical a ngle is the angle of incidence in the denser medium such that the refracted ray just passes through the surface of separation of

8.1The phenomenon whereby white light breaks up (spreads out\ into

8.2The different colo rs of visible light include: Die verskillende kleure van sigbare lig

8.3It is always virtual Erect /upright. Its size is equal to that of the object. It is formed at the same distance behind the mirror as the object is in front of the mirror. It is laterally inverted.

8.4.2(2\ Marking criteria Nasienriglyne Ray parallel to th

8.4.2and/or 8.4.3. Penaliseer slegs eenmalig indien pyl uitgelaat is in

8.4.1, 8.4.2 en/of 8.4.3 Technical Sciences/P2/ Tegniese Wetenskappe/V 16 DBE/ November 2020 SC/ NSC/

8.4.3(2\ Marking criteria Nasienriglyne

9.1Electromagnetic wave is the changing of the magnetic and electric field

9.2They have longer wavelength Hulle het langer golflengtes

9.3Quantum (packets\f energy Kwantu menergie (pakkies\ 9.

Mark Allocation

Total150 marks

Sections11 = 11 marks

Paper information

SubjectTechnical Sciences

Year2020

SessionNovember

TypeMemo

PaperPaper 2

LanguageAfrikaans

Pages17

Downloads4

Examination context

Decade2020s

Years ago6y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2020

Days since exam2,181

About Technical Sciences examination preparation

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