Process Chemistry NCV Level 4 — Document

November 2023 — NCV Level 4 — Process Chemistry

NCV Level 4 2023 NCV Engineering

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 35 items found 📚 1 topics

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Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q2— Section header —

2.5\n the ANSWER BOOK. .1 A process of breaking down long molecular heavier hydrocarbon in

3.1Answer the following questions with regard to PVC: [Source: www images.

Q4— Section header —

4.1.1 Thermoplastic resin

4.1.2

4.2.1 Synthetic rubber

4.2.2

5.1Name TWO produce s of base metals in South Africa. (2

5.2Draw a neat and clearly labelled diagram of base metal refinery process. 11

Q6— Section header —

6.1Write the symbols of each of the following PMGs and precious metals:

6.1.1Ruthenium

6.1.2Palladium

6.1.3

6.2Write a brief description of the diss lution or silver recovery process that occur during

7.2Write down what each of the following abbreviations stand for:

7.2.1ONA

7.2HTFT (2 1\ (2 (6050444\

7.3In South Africa kerosene is commonly known as para ff in.

7.3.1Name THREE strict specifications that are important for kerosene that is used as aviation fuel. (3\

7.3.2State TWO other uses of paraffin than what was mentioned in

Q7— Section header —

Q8— Section header —

8.1Sasol is the larg es t producer of coal to liquid (CTL\n the world.

8.1.1Write the FOUR main steps of the coal to liquid process in sequence. (4\

8.1.2What is meant by syngas? (1

8.1.4Write a balanced reaction equation for the production of syn gas. xplain the working of each of the processes used in a basic SBR production process

Q9— Section header —

9.1Name the South African companies that are producing the following:

9.1.1ARVs 9.

1.2Spirit vinegar

9.1

9.2Na me THREE raw materials that are use in the production of beer. (3

9.3Briefly discu s th e fermentation of beer. 6\ [12 TOTAL:

Topics Identified

Organic Chemistry

Mark Allocation

Total100 marks

Paper information

TitleDocument

SubjectProcess Chemistry

LevelNCV Level 4

Document typeQuestion paper

Year2023

MonthNovember

Pages6

Downloads4

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start dayWednesday

Exam periodNovember 2023

Days since exam1,074

About Process Chemistry examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A TVET 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.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

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.

File details

File size333.9 KB

Pages6

Archived on8 September 2026

File age45d

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