Physical Sciences Paper 2 (Afrikaans)

Common 2018 — Grade 12 / Matric — Physical Sciences

Past Paper 2018 Grade 12 Afrikaans Physical Sciences Hub →

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🎯 150 marks ❓ 1 questions 📄 17 pages 📝 52 items found ∑ 1 math symbols 📚 1 topics

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Q4— Section header —

Q2— Section header —

1.10\ in die ANTWOORD BOEK neer, b v.

1.11E.

1.1

1.7atter EEN van die volgende is NIE n tipiese reaksie van soutsuur NIE Dit neutraliseer n basis met die vrystelling van waterstofgas. Dit vorm idronium ion in water.

1.10In watter EEN van die volgende reaksie is geoksideer (aq\ H2 H3O+(aq\ CaCO (s\ 2HC (aq\ CaC

2.1Defin ieer die term chemi ese binding (2\ Teken Lewis stru

2.2.1(2\

2.2.2(2\

2.3at is die vorm van die mole ule? (1\

2.4Bereken die verskil in elektronegatiwiteit vir die ing (1\ Wat is die polarit eit van die

2.6Verduidelik waarom die bindingsenergie van die CN binding meer as die bindingsenergie van die CH binding is. (2\

2.7Verduidelik die verskil tusse n die bindingslengte van die CH binding en die bindingslengte van di e CN

2.8Sal in water oplos Skryf slegs JA of NEE (1\

2.9Verduidelik die antwoord VRAAG

2.8

3.2

3.3

4.1Noem die gaswet wat deur die resultate van die eksperiment voorgestel word

4.2Skryf n hipotese vir die ondersoek neer. (2\ rek n grafiek van volume teenoor druk

4.4Bereken die volume van die gas teen 300 kPa. (3\ Wanneer d ie

4.4bereken is

4.6atter temperatuur toestand sal veroorsaak dat n gas van ideale gedrag afwyk Skryf slegs HOOG of LAAG. (1\

4.7Verduidelik die antwoord VRAAG

4.6(2\

4.8Bereken die tal mol van die gas in die houer tee n die AANVANKLIKE druk volume. [18

5.1Bereken die volume van die ballon

5.2temperatuur van die gas word nou MET verhoog en die aanvanklike druk word verdubbel

6.1In n eksperiment het n leerder 1,5 g natriumkarbonaat by soutsuur (HC gevoeg

6.1Defin ieer die term een mol van n stof (2\ alan seer die vergelyking vir die reaksie Bereken die massa natriumkarbonaat wat gereageer het

6.2Sink reageer met swawelsuur volgens die reaksie hieronder. Zn(s\ H (aq\ ZnSO (aq\ H (g\ Die massa sink word

2.1Noem die stof wat die beperk ende rea gens

2.2Bereken die aanvanklike konsentrasie van die swawelsuur indien van die suur gebruik is [19 Massa (g\ (min\ 1 2 3

7.1Defin ieer die term tiv eringsenergie (2\

7.2n rede waarom hier die reaksie eksotermies is (1\

7.3Bereken die reaksiewarmte Teken die grafiek oor en dui met stippel lyn die effek van n katali sator op die aktiveringsenergie

7.5Stel Avo gad wet in w (2\ ndien 6 dm 9 dm

7.7Die reaksie hierbo is die eerste stap in die vervaardiging van n suur. Hierdie suur bevat 1,59% waterstof , 22,2% tikstof 76,

8.1

8.2Identif iseer die tipe binding verantwoordelik vir die vorming van die mmonium on in die v ergelyking hierbo (1\

9.1Defin ieer redu ksie in term e van oksidasiegetalle (2\

9.2Bepaal die oksidasiegetal van mangaan in die permanganaatioon.

9.3Skryf die FORMULE neer van die stof wat oksidasie ondergaan

9.4Verduidelik die antwoord VRAAG in terme van oksidasiegetalle Skryf die FORMULE van die oksideermiddel neer Skryf die oksidasiehalfreaksie neer.

9.7Gebruik die ioon elektronmetode en s kryf die gebalanseerde netto ioniese vergelyking neer. [12] VRAAG Begin op12

10.1oem TWEE nadele van diepgroefmyn in vergelyking met oopgroefmyn (2\

10.2Skryf die FORMULE neer van die stof wat gereduseer word in die reaksie wat gebruik word om goud te ontgin ebruik oksidasiegetalle om te verduidelik

10.2uitgekom het

10.4Skryf die reduksiehalfreaksie vir die yster ekstraksie reaksie (2\

10.5Bereken die persentasie yster wat in teenwoordig (2\

10.6Slegs 65% van die erts bevat yster ndien 2 50 kg erts gebruik word, bereken die massa yster wat uit die erts ontgin kan word. (2\ [10

Mathematical Content

f(x)

Topics Identified

Chemical Bonding

Mark Allocation

Total150 marks

Sections20 + 12 = 32 marks

Paper information

SubjectPhysical Sciences

Year2018

SessionCommon

TypePast Paper

PaperPaper 2

LanguageAfrikaans

Pages17

Downloads6

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.

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