Physical Sciences Memo 2 (English & Afrikaans)

Common 2018 — Grade 12 / Matric — Physical Sciences

Memo 2018 Grade 12 Bilingual Physical Sciences Hub →

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🎯 150 marks 📄 10 pages 📝 96 items found ∑ 1 math symbols 📚 4 topics

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Q8— Section header —

Q1— Section header —

1.1(2\

1.2(2\

1.3(2\

1.4(Ignore this question Ignoreer hierdie vraag\

1.5(2\

1.6(2\

1.7(2\

1.8(2\

1.9(2\

1.10(2\

Q2— Section header —

2.1pure substance consisting of one type o atom. n Suiwer stof wat uit een tipe atoom bestaan.

2.2.1(1\

2.2.2(1\

2.2.3(1\ Element (1\

2.4Evaporation Verdamping (1\

2.5.1Q: Boiling point Kookpunt (1\

2.5.2R: Magnetism Magnetisme (1\ [9]9

Q3— Section header —

3.1The temperature of the liquid at which the vapour pressure equals the external ( atmospheric\ pressure. Die temperatuur van die vloeistof waarteen die dampdruk aan die eksterne (atmosferiese\ druk gelyk is.

3.2.1(1\

3.2.2(1\

3.2.3(1\

3.3Liquid changes to gas Vloeistof verander na gas (1\

3.4Remains the same. Bly dieselfde (1\

3.5

3.6

3.7Vapour pressure increase with an increase in temperature. Dampdruk verhoog wanneer temperatuur verhoog. (2\ Vapour pressure is proportional to temperature. Dampdruk is direk

Q4— Section header —

4.1The number of protons in an atom of an element Die aantal protone in atoom van n element (2\

4.228 (2\

4.2.2/ Sodium / Na Natrium (1\

4.3.2Rb is in the same group as P / Na Rb is in dieselfde groep as P / Na Rb is in group 1 Rb is in groep 1 has the same valency as P

4.4Increases. Neem toe From to the atom ic radius get small er.

4.5(electrons\ 2s 1s (3\

4.6

Q5— Section header —

5.1change in which no new substances are formed. 'n Verandering waarin geen nuwe stowwe gevorm word nie. OR/ A change in which energy changes are small in relation to chemical change 'n Verandering waarin energieveranderinge klein is in vergelyking

5.2.1(1\

5.2.2(1\

5.3Sublimation. Sublimasie (1\

5.4Colour change. Kleurverandering Formation of gas Vorming van gas Formation of a precipitate Vorming van 'n neerslag Change in temperature Verandering in temperatuur Any

5.5.1Heat. Hitte (1\

5.5.24Fe (s\ (4\ Notes/Aantekeninge Reactants ; products ; phases ; balancing Reaktanse/produkte/fases/balansering

5.6.1States that, no matter how a chemical compound is prepared, it always contains the same elements in the same proportion by mass Stel dit dat dit nie saak maak hoe 'n chemiese binding berei word nie; dit bevat

5.6.2OPTION 1/ OPSIE 1: Mass of CO in the 1 st sample Massa van in die 1 ste

Q6— Section header —

6.1.1(1\

6.1.2(1\

6.2It is formed when a pool of delocalised electrons surround the positive metal ion core Rooster metaal ione met wolk/poel gedelokaliseerde elektrone wat positiewe ioonkerne omring (2\

6.3Ionic bond Ioniese binding (1\

6.4.1A pure substance consisting of two or more different elements. 'n Suiwer stof wat uit twee of meer verskillende elemente bestaan. (2\

6.4.2Alkali earth (metals\ Aardalkali (metale\ (1\

6.4.31 (one een (1\

6.4.4(3\ [12] Mg MgCl12

Q7— Section header —

7.1Hydrated: rrounded by water molecules Gehidrateer: omring deur water molekules (1\

7.2(aq\ Products: Balancing: Produkte:/Balansering: (2\

7.3.1The amount of a substance having the same number of particles as there are atoms in 12 g carbon 12. Die hoeveelheid van 'n stof met dieselfde getal partikels as wat daar atome in 12 g koolstof 12 is.

7.3.2Acid base gas forming (reaction\ Suur basis/gasvormend (reaksie\ (1\

7.3.3c (HCl\ n (HCl\ V (HCl\ n (HCl\ 0,005 = 0,005 mol (3\

7.4POSITIVE MARKING FROM

7.3.3POSITIEWE NASIEN VANAF

7.3.3

Q8— Section header —

8.1solution that conducts electricity through the movement of ions 'n Oplossing wat elektrisiteit deur die beweging van ione gelei. NOTE LET WEL If learners refer to movement of electrons, a mark is forfeited

8.2.1

8.2.2

8.2.3Type of a substance Tipe stof (1\

8.2.4Mass OR Temperature Massa OF Temperatuur (1\

8.3.1A solution of 'n Oplossing It is the strongest electrolyte Dit is die sterk te elektroliet. OR/

8.3.2A solution of sugar 'n Oplossing van suiker It contains no free ions Dit bevat geen vrye ione nie. (2\

8.4:n(O\ ignore this question m(C\ M[C] m(H\ M[H] m(O\ M[O] Assume mass of 100

Q9— Section header —

9.1Precipitation reaction Presipitasiereaksie (1\

9.2.1Sulphate Sulfaat (1\

9.2.2Ba( + CO Reactants ; products ; balancing Reaktanse/produkte/ balansering (3\ = 0,047 mol BaC

9.3.2POSITIVE MARKING FROM 9.3.1 POSITIEWE NASIEN VANAF 9.3.1 % yield/ opbrengs actual yield/ werklike opbrengs theoretical yield teoretiese opbrengs 8,3

Q10— Section header —

10.1Hydrosphere: include all water of the earth found as liquid water Hidrosfeer: sluit alle water van die aarde in wat as vloeibare water gevind word (2\ Biosphere: include all the living organisms. Biosfeer: sluit alle lewende

10.2Transpiration Transpirasie (3\

10.2.2\ Condensation Kondensasie

10.2.3\ Precipitation Presipitasie \ Energy gained Energie gewen (2\ \ Energy lost. Energie verloor

10.4Roots of plants absorb water from the ground. Plantwortels absorbeer water uit die grond. Plants release the water to the atmosphere by transpiration. Plante stel water deur transpirasie aan die atmosfeer vry.

Mathematical Content

f(x)

Topics Identified

MechanicsOpticsChemical BondingThermodynamics

Mark Allocation

Total150 marks

Sections9 + 14 + 18 + 12 + 12 + 11 = 76 marks

Paper information

SubjectPhysical Sciences

Year2018

SessionCommon

TypeMemo

PaperPaper 2

LanguageBilingual

Pages10

Downloads8

Examination context

Decade2010s

Years ago8y

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.

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