Physical Sciences Memo 2 (English & Afrikaans)

Common 2015 — Grade 12 / Matric — Physical Sciences

Memo 2015 Grade 12 Bilingual Physical Sciences Hub →

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🎯 150 marks 📄 10 pages 📝 51 items found ∑ 1 math symbols 📚 3 topics

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Q1— Section header —

Q2— Section header —

2.1.1ANY ONE: oxygen gas ENIGE EEN: Koper /suurstofgas

2.1.2ANY ONE: rass/ salt solution/ pure air ENIGE EEN: Geelkoper/sout oplossing/suiwer lug

2.1.3xygen gas suurstof

2.1.4ANY ONE: agnesium oxide table salt /sugar ENIGE EEN: magnesiumoksied/tafelsout /suiker

2.2.1(a\ Filtration Filtrering/filtrasie (b\ vaporati Verdamping (c\ and (d\

2.2Physical process Fisiese (proses\ No new substances are formed. /Water only changes phase. The chemical composition o f the substance is not altered. Geen nuwe stowwe word gevorm nie./Water verander slegs van fase./Die

Q3— Section header —

3.1.1The temperature at which the vapour pressure is equal to the external/ atmospheric pressure. Die temperatuur waarby die dampdruk gelyk is aan die eksterne/atmosferiese druk. (2\

3.1.2(a\ (b\ (c\

3.2.1Liquid loeistof

3.2.3(a\ Increases Toeneem (b\ Remains the same Bly dieselfde

3.2Heat energy is used to break forces between particles resulting in a phase change not to change the speed at which particles move. Warmte energie wor

4.1.1The n umber of protons in the nucleus of an atom. Die ge tal proton e in die kern van n atoom.

4.1.2toms of the same element having the same number of protons, but different numbers of neutrons Atome van die selfde element met dieselfde ge tal pro tone maar verskillende neutrone. Atoms (of the same element

4.2.2

3.2Covalent (bond\ Kovalente (binding\

4.4.1Marking criteria/ Nasienriglyne: Main energy levels shown Hoofenergievlakke a angedui (1, 2, 3 etc.\ rbitals labelled a s or p. Ignore if 4

4.4.2(2\ 18] QUESTION VRAAG

5.1.1The ionisation energy is the e nergy needed /absorbed to remove an electr whilst electron affinity is energy released when an electron is taken in. Die

5.1.2Increase in effective nuclear charge from left to right in period. Toename in effektiewe kernlading van links na regs in n periode.

5.1.3

5.1mol Energy needed/ Energie benodig = 2 x 496 = 992 kJ

5.1Chlorine Chloor Highest electron affinity Hoogste elektronaffiniteit Releases the most energy Stel die meeste energie vry

5.2.1(a\ (b\ (c\

2.2OR/

5.2.3(s\ (g\

6.42Mg + O 2MgO 2(24\ + 2( 16\ = 2(16 + 24\ 80 = 80 Marking criteria/ Nasienriglyne:

7.3.1umber of moles of solute per cubic decimetre /litre of solution Aantal mol opgeloste stof per kubieke desimeter/liter oplossing. (2\

3.2CaCO

Q7— Section header —

8.2.1process in which solid ionic crystals are broken up into ions when dissolved in water Die proses waarin vaste ioniese kristalle opgebreek word in ione wanneer opgelos word in water. (2\

8.2.2(NH (s\ (aq\ (aq\ bal. Notes/ Aantekeninge Reactants Products

8.3.1

8.4.1Redox Redoks (1\

8.4.2Gas forming Gasvorming (1\

8.4.3Precipitation Presipitasie (1\ Cu + 4HNO Cu(NO + 2H O + 2NO Bal. Notes/

9.1.1One mole is the amount of substance having the same number of par ticles as there are atoms in 12 g carbon Een mol is die hoeveelheid stof wat

9.1.20,67 mol mol

9.1.3= 1 : 3 reacted reageer \ = (24\ = 8 dm Volume remains oorbly

9.1.4mol

9.1.5V(N \ = x 22,4 298,67

9.2m(O \ = 239 207 = 32 g mol mol n(Pb\ n(O\ 1 : 2 PbO [16]16

10.1All the water of the earth. Al die water van die aarde

10.2vaporation Verdamping ondensation Kondensasie

10.2

Mathematical Content

trig

Topics Identified

MechanicsChemical BondingThermodynamics

Mark Allocation

Total150 marks

Sections20 + 11 + 16 + 8 = 55 marks

Paper information

SubjectPhysical Sciences

Year2015

SessionCommon

TypeMemo

PaperPaper 2

LanguageBilingual

Pages10

Downloads5

Examination context

Decade2010s

Years ago11y

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

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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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