Process Chemistry NCV Level 2 — Document P1

November 2023 — NCV Level 2 — Process Chemistry

NCV Level 2 2023 NCV Engineering

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📋 Document Analysis

🎯 100 marks ⏱️ 3h 📄 6 pages 📝 45 items found 📚 5 topics

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Questions — A Preview of What to Expect in the Document

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Q1— Section header —

1.5\n the ANSWER BOOK.

1.1Sasol use coal to produce petrol and other by product such as diesel fuel and waxes.

1.2Lubricants are substances that allow parts to rub together without causing friction.

1.3Minerals are substance that are used to prevent pests and they are harmful.

1.4Intermediate chemicals are part of a group of chemicals produced by reacting base chemicals with each other to make new chemicals.

1.55

Q2— Section header —

2.10\n the ANSWER BOOK. COLUMN A COLUMN B

2.10The removal of salt from s eawater and making it drinkable Maximum amount of specific contaminants that is allowed in water before it becomes unsafe Toxic chemical substance found in pa

Q3— Section header —

3.5\n the ANSWER BOOK.

3.1Process of passing an electrical current through a chemical solution to form new products

3.2A colourless, odourless gas that is slightly lighter than air and carries volume of 78% of the atmosphere

3.3A process used to produce ammonia industrially

3.4process used to separate metals from impurities by heating the ore until it reaches melting point

3.55

Q4— Section header —

4.1Crude oils and natural gases are raw materials that consist of hydrocarbons, derived from fossilised marine organisms.

4.1.1List THREE valuable products derived from crude oil. (3\

4.1.2Define the term hydrocarbon (2\

4.2Briefly describe how coal is recovered through underground mining. (4\

4.3Name FOUR companies responsible for produc ing minerals. (4\

4.4Explain the differen ce between base metals and precious metals (2\

Q5— Section header —

5.1Name FIVE steps in sequence of typical wastewater treatment. (5\

5.2Briefly discuss the following:

5.2.1Flash mixing in water purification (3\

5.2.2Filtration in water treatment (3\

5.3Define the term sustainable development

5.4Draw a full labelled diagram of the distillation process. (7\

5.5Name any FIVE uses of hydrogen. (5\ [25]25

Q6— Section header —

6.1Describe FOUR economic disadvantages of gas production in South Africa. (4\

6.2Name FOUR noble gases. (4\

6.3Define the term liquefaction (2\

6.4List THREE types of glass refining agent (3\

6.5Briefly discuss conditioning during the glass melting process. (5\

6.6Draw a fully labelled flow diagram of the glass making process. (12\ 0]

Q7— Section header —

7.1Name FOUR types of safety equipment that should be used whenever hazardous chemicals are being transferred. (4\

7.2Briefly discuss the term volatility (4\

7.3Indicate what the following personal protective equipment is used for:

7.3.1Overalls

7.3.210

Topics Identified

MechanicsElectricityChemical BondingOrganic ChemistryThermodynamics

Mark Allocation

Total100 marks

Sections5 + 10 + 5 + 15 + 25 + 10 = 70 marks

Paper information

TitleDocument

SubjectProcess Chemistry

LevelNCV Level 2

Document typeQuestion paper

Year2023

MonthNovember

Pages6

Downloads3

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 size179.7 KB

Pages6

Archived on8 September 2026

File age46d

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Fingerprint8F1821089552

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