Technical Sciences Paper 2 (English)

November 2024 — Grade 12 / Matric — Technical Sciences

Past Paper 2024 Grade 12 English

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🎯 7 marks ❓ 12 questions 📄 15 pages 📝 71 items found 📚 2 topics

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2.1and

Q2— Section header —

Q1— Section header —

1.5\in the ANSWER BOOK, e.g. 1.6 D. Nov

1.1Consider the following examples of isomer Example 1 but

1.2Which ONE of the follow ing is the CORRECT cond ensed structural formula for 2,3 dimethyl

1.3Consider the c ircuit diagram below. Which ONE of the following graphs best describes the relationship between the

1.4Which ONE of the following com binations is TRUE for an electrolytic cell? ANODE CATHODE ENERGY CONVERSION

1.5ONE oxic chemica ls are used in the production process. the cells are

Q2— Section header —

2.1Refer to compound and write down the:

2.1.1 IUPAC name (2\

2.1.2 olecular formula (1\

2.1.3 General formula for the homologous series to which the compound belongs (1\

2.1.4 Molecular formulae of the products formed during the com bustion of this compound (2\

2.2Refer to compound and write down the:

2.2.1 Name of the homologous series to which this compound belongs (1\

2.2.2 Name of its functional group (1\

2.3Compound is formed when a carboxylic acid reacts with an alcohol.

2.3.1 Draw the structural formula of the functional group of compound (1\

2.3.2 Write down the IUPAC name of the carboxylic acid used. (1\

2.4Write down the letter that represents a compound that is a/an

2.4.1 Monomer of poly thene (1\

2.4.2 Alcohol (1\

2.5Classify the alc ohol referred to in UESTION

2.4.2as PRIMARY, SECONDARY or TERTIARY. (1\ [13

Q3— Section header —

3.1Define the term boiling point. (2\

3.2Arrange the compound s in order of decreasing boil ing point. (1

3.3Write down the relat ionship between the boiling points of organic compounds and the ir intermolecular forces (2

3.4Which ONE of the compounds will have the highest vapour pressure when they are compared at the same temperature? (1\

3.5Identify the type of intermolecular forces present in bromoethane and ethane and compare their strengths. (3\

3.6Methyl methanoate is an isomer of ethanoic acid.

3.6.1What type of is omers are these organic compounds? (1\

3.6.2efine the type of isomer referred to in Q UESTION

3.6.1(2 [12 Technical Scie nces /P2 DBE

Q4— Section header —

4.1Write down the homologous series to which compound belongs. (1\

4.2Consider the reaction in which compound is converted to compound

4.2.1Draw the structural formula of compound (2

4.2.2Explain why compound is called a tertiary haloalkane. (2

4.2.3hy is it important that there should be no water in the reaction mixture? (2\ Compound Compoun

4.3Consider the reaction in which compound is converted to compound

4.3.1Write down ONE reaction conditio for this reaction. (1

4.3.2Use molecular formulae to write a balanced chemical equation for this reaction. (3\

4.4Consider the conversion of compound to compound

4.4.1Write down the NAME and the TYPE of this chemical reaction. (2\

4.4.2Write down the chemical formula of the inorganic reactant that is used. (1\

4.5Consider the reaction where compound is converted to compound Write down the:

4.5.1NAME of the i norganic reactant needed for the reaction (1

4.5.2ymbol of the c atalyst used during the reaction (1\ [16 Technical Scie nces

Q5— Section header —

5.1Define the term electrolysis (2\

5.2Why must the iron ring be cleaned thoroughly before electrop lating takes place (2\

5.3Is electrode the anode or cathode? (1\

5.4Give a reason for the answer to UESTION

5.3(2\

5.5Write down the NAME of ion (1\

5.6Write down the half rea ction taking place at the iron ring (2\ [10

Q6— Section header —

6.1What ty pe of electrochemical cell is this? (1\

6.2Explain the answer to Q UESTION

6.1(2\

6.3What is the reading on the voltmeter? (1\

6.4Write do wn the name of the component needed to complete the circuit. (1\

6.5State TWO functions of the c omponent named

Q6— Section header —

6.6Which graph ( or be low represents the change in the

6.7Is electrode an oxidising agent or reducing agent? Explain the answer.

6.8Calculate the emf of the cell while in operation [14 TOTAL:

Topics Identified

Business FunctionsLeadership

Mark Allocation

Total75 marks

Sections10 = 10 marks

Paper information

SubjectTechnical Sciences

Year2024

SessionNovember

TypePast Paper

PaperPaper 2

LanguageEnglish

Pages15

Downloads6

Examination context

Decade2020s

Years ago2y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2024

Days since exam721

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