Technical Sciences Paper 2 (English)

May-June 2023 — Grade 12 / Matric — Technical Sciences

Past Paper 2023 Grade 12 English

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🎯 75 marks ❓ 12 questions 📄 9 pages 📝 46 items found 📚 2 topics

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2.1and

Q2— Section header —

Q1— Section header —

1.1Which ONE of the following homologo us series has a CARBONYL GROUP as a functional group?

1.2Consider the structural formulae of the alcohols given below (i\ (ii\ (iii\ (iv\ Which ONE of the following combinations

1.3A liquid with high viscosity wil l flow faster because it has higher boiling point.

1.4An oxidis ing agent is a substance that is

1.5Which ONE of t he following is applicable to both an ELECTROLYTIC and GALVANIC

Q2— Section header —

2.1Define the term organic molecule (2\

2.2Write down the NAME of the homologous series of the following:

2.2.1(1\

2.2.2(1\ 2. Draw the structural formula of the compound represented by the letter

2.3.1 (2\

2.3.2 (2\

2.4Write down the IUP AC name of compound (2\

2.5For compound write down the:

2.5.1NAME of the functional group (1\

2.5.2Molecular formula (1\ [12]12

Q3— Section header —

3.1Define the term vapour pressure (2\

3.2Which co mpound or has

3.3Ex plain the answer to

Q3— Section header —

3.4What type of structural isomers are compounds and (1\

3.5Give a reason f or the answer to

Q3— Section header —

4.2Us STRUCTURAL FORMULAE to write down a balanced chemical equation for Reaction

Q5— Section header —

5.1What TYPE of an electrochemical cell can be assemble using ALL of the appara

5.2Write down TWO component in the list above to justify the answer to QUESTION

5.3In assembling the electrochemical cell one electrode was connected to

5.3.1Which ONE of the electro des will be the ANODE Write down only ELECTRODE CONNECTED TO POSITIVE TERM

5.3.2Write down the half reaction taking place at the cathode (2

5.3.3Write dow the NAME or FORMULA of the product formed at the anode. (1\

5.4Write down THREE exam ples of alternate energ ies (3 [10

6.1Learners performe d an experiment to determine the electrode potential of an electrochemical cell under standard conditions. They assembled the apparatus as shown in the diagram below. .1.1 State the energy conversion taking place in this

6.1.2Write down a balanced net ionic reaction of the cell. (2

6.1.3In which direction will the SO ions migrate through t he salt bridge? Write down only FROM Zn

6.1.4Is the cell reaction s pontaneous or non spontaneous? (1\

6.1.5Calculate the emf of the cell. (4\

6.2Component is removed.

6.2.1Write down the NAME of component (1\

6.2.2Will the light bulb glow? Write down YES or NO. (1\

6.2.3Expl ain the answer to

Q6— Section header —

Topics Identified

Business EnvironmentsLeadership

Mark Allocation

Total75 marks

Sections10 + 12 + 9 + 14 = 45 marks

Paper information

SubjectTechnical Sciences

Year2023

SessionMay-June

TypePast Paper

PaperPaper 2

LanguageEnglish

Pages13

Downloads2

Examination context

Decade2020s

Years ago3y

Season—

Start day—

Exam period—

Days since exam—

About Technical Sciences examination preparation

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