Technical Sciences Paper 2 (English)

November 2023 — Grade 12 / Matric — Technical Sciences

Past Paper 2023 Grade 12 English

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🎯 7 marks ❓ 12 questions 📄 9 pages 📝 39 items found 📚 2 topics

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2.1and

Q2— Section header —

Q1— Section header —

1.1Consider the structural formula of the compound below Which ONE of the following is the best descriptio n of the above compound? DESCRIPTION HOMOLOGOUS SERIES

1.3Germanium is doped with an impurity having five valence electrons. H ow many free electrons are available as charge carriers?

1.4An electrochemical cell is represented by the cell notation below Zn / Zn 2+ // Cu 2+ / Cu Which ONE of

1.5cathode and undergo oxidation. anode and undergo oxida tion. cath ode an

Q2— Section header —

2.1Define the term organic molecule (2\ 2. Write down the letter(s\at represent (s\ the following:

2.2.1Polymer of ethene (1

2.2.2Positional isomers (2

2.2.3Alkane (1\ 2. Dr aw the STRUCTURAL FORMULA of the following compounds

2.3.1 (2

2.3.2 (2 2. Compounds and

2.5Write down the IUPAC name of compound (2\

2.6Write down the NAME of the homologous series of compound (1\ [15

Q3— Section header —

3.1Define the term melting point. (2\

3.2Explain the difference in the melting points of compound and by referring to the TYPE OF INTERMOLECULAR FORCES,

3.3Learners investigated the melting points of compound and

3.3.1Is this a fair comparison? Explain the answer (2\

3.3.2Formulate an investigative question. (2\

3.3Identify the independent variabl (1

3.3.4How will the viscosity of compound compare to that of compound Write down only LOWER THAN, HIGHER THAN or EQUAL TO. (1\

3.3.5Expl ain the answer to

Q3— Section header —

4.3Write down the IUPAC NAME or FORMULA of compound (2\

4.4An alcohol is formed when compound reacts with excess water. Write down ONE reaction con dition other than excess wa ter. (1\

4.5Define EACH of the following terms:

4.5.1Macromolecule (2\

4.5.2Polymerisation (2\ 12 Bromi ne gas Reactant

5.2Write down the energy conversion that takes place in this cell. (2\

5.3Is the reaction taking place in the cell spontaneous or nonspontaneous? Giv e a reason for the answer (2\ .4 Write down the

6.1Define the term oxidation (2\

6.2Identify the negative electrode. (1\

6.3In which direction will the electrons flow in the exter nal circuit? Choose from Ag to Cu or Cu to Ag (1\

6.4What observation is made at the silver electrode after a while? (1\

6.5Write down the cell notation for this cell. (3\

6.6Use a calculation to determine whether the bulb will gl ow or not. (4\ [12] TOTAL: 75 AgNO CuSO12

Topics Identified

Business EnvironmentsLeadership

Mark Allocation

Total75 marks

Sections10 + 13 + 12 = 35 marks

Paper information

SubjectTechnical Sciences

Year2023

SessionNovember

TypePast Paper

PaperPaper 2

LanguageEnglish

Pages13

Downloads4

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start daySunday

Exam periodNovember 2023

Days since exam1,083

About Technical Sciences examination preparation

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