Proseschemie NCV Level 3 — Document

Februarie 2020 — NCV Level 3 — Proseschemie

NCV Level 3 2020 NCV Engineering

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Q1— Section header —

1.1Verskillende soorte kunsmis het verskillende eienskappe en toedienings maar in die meeste landboutoepassings word 'n kombinasie daarvan gebruik.

1.1.1Gee VIER voorbeelde van verwerkte organiese kunsmis. (4\

1.1.2 Gee DRIE voordele van anorganiese kunsmis. (3\

1.1.3Verduidelik kortliks die toediening van grondbemesting. (3\

1.1.4

1.2Gee EEN voorbeeld van elkeen van die volgende:

1.2.3

1.3Voltooi en balanseer elkeen van die volgende reaksievergelykings:

1.3.1SO (s\ (g\

1.3.2

1.425

Q2— Section header —

2.1Sementgrondstowwe word voor die vervaardigingsproses vergruis, gemaal en gemeng. Beskryf elkeen van die volgende sementgrondstowwe:

2.1.5

2.2Slaksement ('S lagment'\word as neweproduk van die ystersmeltproses geproduseer.

2.2.1oem die VYF stappe, in volgorde, wat by die produksie van sla ks ement betrokke is. 5\

2.2.2Verduidelik kortliks die term oopskag ontginning (4\

2.3

2.3.220

Q3— Section header —

Q4— Section header —

4.1Gee die name van elkeen van die volgende grondstowwe wat in die produksie van seep gebruik word:

4.1.318 34 12

4.2Daar is 'n wye verskeidenheid gebruike van additiewe (bymiddels\ in reinigers.

4.2.1Wat is die hoofdoel van additiewe in reinigers? (2\

4.2.2Gee DRIE gebruike van additiewe in reinigers. (3\

4.2.3 Gee VIER voorbeelde van additiewe wat gewoonlik by reinigers bygevoeg word. (4\

4.3

4.4Verduidelik die werkings beginsel van elk van die volgende insekdoders:

4.4.520

Q5— Section header —

5.1Noem VIER vervaardigers van pulp en papierprodukte in Suid Afrika. (4\

5.2Daar word 'n aantal grondstowwe vir die produksie van pulp gebruik.

5.2.3Differensieer tussen sagtehout en hardehout Noem TWEE soorte vesel. Noem TWEE hoofkomponente van houtloog. (2\

5.3Gee die DRIE hoofstappe van die Kraft pulpproduksieproses. (3\

5.4Gee VYF voorbeelde van bestrykte papier. (5

5.5Definieer die term lamellering ('lamination '\ (2\ [20] TOTAAL: 10020

Mark Allocation

Total100 marks

Sections25 + 20 + 15 + 20 + 20 = 100 marks

Paper information

TitleDocument

SubjectProseschemie

LevelNCV Level 3

Document typeQuestion paper

Year2020

MonthFebruarie

Pages5

Downloads5

Examination context

Decade2020s

Years ago6y

Season—

Start day—

Exam period—

Days since exam—

About Proseschemie examination preparation

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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.

understanding question requirements

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working under time constraints

checking answers

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A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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